A statistics professor receives an average of five email messages per day from students. Assume the number of messages approximates a Poisson distribution. What is the probability that on a randomly selected day she will have five messages?
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Statistics
3. The average weekly allowance of students last year at a private high school was Php 800.00 per week, based on an enrollment of 2000 students. The junior high school students who did not have this information interviewed 50 students and found their

Statistics
A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spent studying per week. Assuming a standard deviation of 3 hours, what is the required sample size if the error should be

statistics
A statistics professor receives an average of five email messages per day from students. Assume the number of messages approximates a Poisson distribution. What is the probability that on a randomly selected day she will have five messages?

math
7. Professors’ Salaries The average salary for a Queens College full professor is $85,900. If the average salaries are normally distributed with a standard deviation of $11,000, find these probabilities. a. 0.3557 (TI: 0.3547) a. The professor makes more

statistics
A college professor believes that students take an average of 15 credit hours per semester. A random sample of 24 students in his class of 250 reported the following number of credit hours that they were taking:

Statistics
Which Professor? Suppose Professor Alpha and Professor Omega each teach Introductory Biology. You need to Decide which professor to take the class from and have just completed your introductory statistics course. Records obtained from the past students

investments
Assume the following daily closing for the Dow Jones Industrial Average: Day DJIA Day DJIA 1 12,010 7 12,220 2 12,100 8 12,130 3 12,165 9 12,250 4 12,080 10 12,315 5 12,070 11 12,240 6 12,150 12 12,310 a. calculate a fourday moving average for Days 4

Statistics
80. Florida State University has 14 statistics classes scheduled for its Summer 2013 term. One class has space available for 30 students, eight classes have space for 60 students, one class has space for 70 students, and four classes have space for 100

statistics
10.51 A statistics professor compared the scores of her morning class and afternoon class on the same quiz. The 42 morning students’ average score was 83.52 with a standard deviation of 7.81, while the 46 afternoon students’ average score was 79.44

Normal Probability Distribution
A professor at a local college noted that the grades of his students were normally distributed with an average percentage of 74 and a population standard deviation of 10. He found that 6.3% of his students received A's while 2.5% of his students failed the

Environmental Science
Which is an example of a scientific theory? A. If a person takes at least one vitamin per day, then it will reduce a person’s level of tiredness. B. Organisms evolve over time due to changes in heritable physical characteristics. C. On average, larger

statistics
In your sample of 23 art students and 30 economics students, the mean amount that a group of economics students like statistics is 26, while the mean amount that a group of art students like statistics is 15. The variance in the economic group is 4.2,

Math
The college president asks the statistics teacher to estimate the average age of the students at their college. How large a sample is necessary? The statistics teacher decides the estimate should be accurate within half year and be 92% confident. From a

Statistics
According to Internet security experts, approximately 90% of all email messages are spam (unsolicited commercial email), while the remaining 10% are legitimate. A system administrator wishes to see if the same percentages hold true for the email traffic

Statistics
28. A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spend studying per week. Based on a simple random sample, they surveyed 144 students. The statistics showed that students

Statistics
In the population of typical college students, _ 5 75 on a statistics final exam _X 5 6.42 . For 25 students who studied statistics using a new technique, X 5 72.1. Using two tails of the sampling distribution and the .05 criterion: (a) What is the

Psychology
An essential part of scientific thinking is not only how to use statistics correctly, but also how to identify the misuse of statistics. Our textbook authors suggest that students should: Answer distrust all statistics because they convey a false

statistics
A professional employee in a large corporation receives an average of = 45 emails per day. Most of these emails are from other employees in the company. Because of the large number of emails, employees find themselves distracted and are unable to

statistics
below is the test scores for students in a statistics class.80,65,79,83,60,79,90,77,84,93.the professor assigned a grade of c to students whose test scores were within 5 points of the mean in either direction .how many students got cs?list their test

university of phoenix
T test for independent groups and dependent groups (Twogroup designs) 1. An LU professor is interested in whether there is a difference between undergraduate students and graduate students in the amount of time spent praying each day. The professor

statistics
the average marks for statistics in a class of 30 were 52. the top six students had an average of 31 marks. what were the average marks of the other students?.

statistics
Dr. Snyder teaches a large introductory statistics course. In the past, the proportion of students that receive a grade of A is 0.20. The proportion that receives a B is 0.30. The proportion that receives a C is 0.30. The proportion that receives a D is

Probablity
Last semester, a certain professor gave 43 As out of 242 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.)

algebra
Last semester, a certain professor gave 11 As out of 226 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.)

english
What is the topic sentence I think it is sentence 3 please let me know if you think it is as well Voice mail is usually part of your firm’s phone system. It is a way to digitally record messages, and it allows “random access” so you can skip, delete,

Math
We believe that 77% of the population of all Business Statistics I students consider statistics to be an exciting subject. Suppose we randomly and independently selected 38 students from the population. If the true percentage is really 77%, find the

basic math
An education fund allocates RM10,000 to help 100 students from form three, form five and form six in a school. Each form three student receives RM80, each form five student receives RM120 and each form six student receives RM160. The number of form three

Statistics
A professor receives, on average, 8 emails from students on the day before an online quiz. If the distribution of the calls is Poisson, what is the chance that he received at least 6 and at most 10 emails on such a day?

Mathg
Last semester, a certain professor gave 26 As out of 332 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.)

StatisticsConfidence Interval
Can someone please help me on how to work this out?? I'm so super confused. Thanks! A professor at Kaplan University claims that the average age of all Kaplan students is 36 years old. Use a 95% confidence interval to test the professor's claim. Is the

statistics
In a recent survey, it was stated that Malaysians watch videos on YouTube on average two hours per day. Assume that σ = 2. Using students in UTeM as the sample, conduct a hypothesis test to determine if the average for students at UTeM is lower

statistics anova
a professor is interested in whether there is a differnce in counseling student's statistics competency scores among 1) those who have never taken any statistics ourse, 2) those who have only taken an undergraduate statistics course, 3)

English
I urgently need you to check this message I need to include in an email. Thank you, Writeacher. 1) Our students have started receiving post from their new Irish partners. It would be nice if you could send me a list of the students participating in the

Math
A college student is using the following model to determine the total number of text messages she will have in the inbox in her cell phone, if she does not delete any of the current messages or future messages she receives in the next x days. In the model,

Math
In Mike's English class at university there are 178 students, of whom 51 also study history and 44 also study statistics. There are another 85 students who also study history, of whom 25 study statistics also. Another 35 students study only statistics. If

college statistics
the average length of time required for students to complete a test in a an introductory statistics course is found to be 50 minutes with a standard deviation of 12 minutes. if students are allowed 80 minutes to complete the test , approximately what

statistics
this is a problem in my statistics class, and I am lost to me, it is confusing or missing something here is the problem please help grade points are assignede as follows: a=4,b=3,c=2,d=1,f=0. grades are weighted according to credit hours. if a student

MATH Help (NOT MULTIPLE CHOICE) PLZZ
The O’Toole’s leave their house in Canada to vacation in Mexico for a week over winter break. In their absence, their house receives an average of 8 inches of snow per day each day during the sevenday period. However, the average air temperature rises

Sta
A regular feature in a newspaper asks readers to respond via email to a survey that requires a yes or no response. In the following day's newspaper, the percentage of yes and no responses are reported. discuss why we should ignore these statistics.

English
Can you check if the following sentences which I turned into the passive voice using the personal construction are correct? Thank you for helping me! 1) They report that Peter is sending her messages. Peter is reported to be sending her messages. 2) Peter

math
Suppose the daily high temperature in a town is 3 degrees above average one day, then 5 degrees below average the next day, then 2 degrees above average, then 1 degree below average, then 6 degrees above average, then equal to the average the next day.

Healthcare Statistic
Given the following null hypothesis, give an example of a Type II error. H0: There is no difference in the level of understanding of this chapter between students who have previously taken a statistics course and students who have not previously taken a

Statistics
A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spent studying per week. Assuming a standard deviation of 6 hours, what is the required sample size if the error is to be less

Physics
170 students in a lecture hall can scream at 115 dB. Thus, we should expect that: A. an average student can do 0.68 dB by him or herself. B.340 average students can do 125 dB. C.340 average students can do 230 dB. D.1700 average students can do 125 dB.

statistics
Use the following information to calculate the lower and upper fence: A teacher was interested in how many text messages teenagers got per day. He randomly selected 70 students and asked them how many text messages they received the previous day. The mean

Statistics
3. A professor is interested in whether there is a difference in counseling students’ statistics competency scores among 1) those who have never taken any statistics course, 2) those who have only taken an undergraduate statistics course, 3) those who

MATH 104
Last semester, a certain professor gave 24 As out of 244 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives a grade.)

statistics
Last semester, a certain professor gave 23 As out of 279 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.)

Math
Last semester, a certain professor gave 36 As out of 390 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.)

Probability
Last semester, a certain professor gave 33 As out of 211 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.)

algebra
Last semester, a certain professor gave 24 As out of 237 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.) thank you for

statistics
the average student sends about 200 text messages a day with the standard deviation of 25 texts.(show graph) a.what is the probability that a student sends more than 250 messsages a day? b.what is the probability that student sends less than 150 text

Math : )
Lily receives 30 messages on her cell phone. Of those messages 1/5 are picture messages and 7/8 of the remainder are text messages. How many text messages does she receive?

STATISTICS
A statistics professor conducted a study on the effect of playing video games on a student’s test scores. On the first day of class, she randomly divided her classes into groups. Group one played video games 2 hours a day, group two played video games 4

statistics
Give the probability in decimal form (correct to two decimal places). A calculator may be helpful. Last semester, a certain professor gave 35 As out of 259 grades. If one of the professor's students from last semester were selected randomly, what is the

math
Give the probability in decimal form (correct to two decimal places). A calculator may be helpful. Last semester, a certain professor gave 15 As out of 396 grades. If one of the professor's students from last semester were selected randomly, what is the

statistics
A teacher was interested in how many text messages teenagers got per day. He randomly selected 70 students and asked them how many text messages they reveived the previous day.?

criminal
The federal CANSPAM Act, which took effect January 1, 2004, regulates sending what? A. viruses from one computer to another B. commercial electronic mail messages C. electronic mail to government computers D. electronic mail to minors

Maths Probability
A dedicated professor has been holding infinitely long office hours. Undergraduate students arrive according to a Poisson process at a rate of λu=3 per hour, while graduate students arrive according to a second, independent Poisson process at a rate of

English emailing response to professor
So I emailed a professor asking the professor about taking a test earlier than the scheduled day it is on next week and the professor responded and said they could arrange for me to take the test early if I want. And to let the professor know what I have

Probability
A dedicated professor has been holding infinitely long office hours. Undergraduate students arrive according to a Poisson process at a rate of λu=3 per hour, while graduate students arrive according to a second, independent Poisson process at a rate of

Probability
A dedicated professor has been holding infinitely long office hours. Undergraduate students arrive according to a Poisson process at a rate of per hour, while graduate students arrive according to a second, independent Poisson process at a rate of per

statistics
T test for independent groups and dependent groups (Twogroup designs) 1. An LU professor is interested in whether there is a difference between undergraduate students and graduate students in the amount of time spent praying each day. The professor

Math
Rachel sent or received 10,290 text messages in the month of September. If each text message over the first 150 messages cost 8 cents, what was her texting bill? Explain how you got your answer. Assuming that she slept 7 hours each day, what was the

Computer Programming
Professor Merlin has asked you to help him. He has 100 total students in his four classes but he is not sure that all of them took his last exam. He wants to average the grades for his last exam in four sections of his medieval literature course and then

Maths
Suppose Professor Alpha and Professor Omega teach finance. Records obtained from past students indicate that students in Professor Alpha’s class have a mean score of 80% with a standard deviation of 5%, while past students in Professor Omega’s class

Math
In a little town in West Michigan lives a math professor, who hears one day that the barber has three children. So, on the next visit to the barber, the professor casually inquires, "I have heard you have three children, is that right?" "Yes!" says the

stats
Identify the direction and all possible interpretations of each of the following correlations. Be sure to identify each example as positive, negative, or zero (not correlated). Then give all possible causal interpretations for the results. Many students in

stats
Identify the direction and all possible interpretations of each of the following correlations. Be sure to identify each example as positive, negative, or zero (not correlated). Then give all possible causal interpretations for the results. Many students in

Math
We believe that 77% of the population of all Business Statistics I students consider statistics to be an exciting subject. Suppose we randomly and independently selected 38 students from the population. If the true percentage is really 77â€‹%, find

statistics
1. An LU professor is interested in whether there is a difference between undergraduate students and graduate students in the amount of time spent praying each day. The professor gathers information from random samples of undergraduate and graduate

statistics
We believe that 77% of the population of all Business Statistics I students consider statistics to be an exciting subject. Suppose we randomly and independently selected 40 students from the population. If the true percentage is really 77%, find the

English vocab
if you BLANK someone's mail, then you seize it before the person receives it; however, it is illegal to take someone's mail, so the police might attempt to BLANK you and put you in jail. What are the two blanks?

how is
how is the Web changing communication. ?? You use the web every day. You used it to write this message. Think of all the things you do on the web and put that into sentences. You will have your answer. There are some ideas at the following site (Scroll

statistics
The average age of statistics students nationwide is 22. The standard deviation is 2.5 years. Assume the age is a normally distributed variable. Find the probability that one student selected at random is older than 23. Find the probability that the mean

statistics
A regular feature in a newspaper asks readers to respond viaEmail to a survey that requires a yes or no response. In the following day’s newspaper, the percentage of yes response. In the following day’s news paper, the percentage of yes and no

English
Writeacher, I'd like you to revise these sentences, please. Thank you. 1) Our history teacher has included a new email address for the students participating in the project:...... All the post your 17 students have sent so far has been transferred to the

Math
Every few days a student at a school will receive a souvenir such as a pencil or shirt. Every 24th day a student receives a souvenier. Every 56th day a student receives a souveiner and every 64th day a student receives a souvenier. Which student will be

statistics
On average, you receive four pieces of junk mail a day. For a randomsample of 10 weekends find the probability that at least 8 weekends youreceive exactly three pieces of junk mail?

Algebra
Rachel sent or received 10,290 text messages in the month of September. If each text message over the first 150 messages cost 8 cents, what was her texting bill? $126,750 Explain how you got your answer. I subtracted 10,290 by 150 then I divided 10,140 by

operating system
The proprietor serves an average of 800 students a day, with interarrival times following an exponential distribution. Most students check out with very few items, but there are some that do all their grocery shopping there, which results in service times

stats
a statistics professor rolls two balanced dice. Both fall to the floor and roll under his desk. A student in the first row informs the professor that he can see both dice. He reports that at least one of them shows a “five”. What is the probability

Computer Programming
Professor Merlin has asked you to help him. He has 100 total students in his four classes but he is not sure that all of them took his last exam. He wants to average the grades for his last exam in all four sections of his medieval literature course and

Research and Statistics
5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a

statistics
Assume that you are preparing a report on MM207 statistics students at Kaplan University to present to the Kaplan Board of Trustees. Prepare an appropriate graphical representation for each of the following variables. a) The different majors of students

English
Can you check if the following sentences which I turned into the passive voice using the personal construction are correct? Thank you for helping me! 1) They report that Peter is sending her messages. Peter is reported to be sending her messages. 2) Peter

Math Riddle
In a little town in West Michigan lives a math professor, who hears one day that the barber has three children. So, on the next visit to the barber, the professor casually inquires, "I have heard you have three children, is that right?" "Yes!" says the

Statistics
A student wants to test her hypothesis she gives each of her students an IO test. She finds that the average IQ score is 115 and the standard deviation for the class is 30. There are 22 students in the class. She also knows that the population average IQ

statistics
Using our data set from Unit 1, compose a 3page email to the head of the American Intellectual Union, which includes the following: 1.Begin your email to AIU by first providing an overview of the database, that is, a story about the characteristics that

Math
Professor's Salaries the average salary for a Queens College full professor is $85,900. If the average salaries are normally distributed with a standard deviation of $11,000, find these probabilities

programming
Professor Merlin has asked you to help him. He has 5 students who have taken four tests. He wants a program where he can enter the students name and their four test scores. After entering all 5 students then he wants a grade report printed showing the

math (algebra)
In Professor Tuffguy's mathematics class, 36 students took the final exam. If the average passing grade was 78, the average failing grade was 60, and the class average was 71, how many of these 36 student passed the final?

STATS
Suppose that the average weight of students in a statistics class is 75.5 kilograms with a standard deviation of 10.3 kilograms. B. What percent of students have weights greater than 80.1 kilograms?

UNM
Suppose that the average weight of students in a statistics class is 75.5 kilograms with a standard deviation of 10.3 kilograms. What percent of students have weights greater than 80.1 kilograms?

Math
Identify the misuse or misrepresentation of statistics: “60% of all college students watch less than 2 hours of television per day.” This conclusion was reached by a college student after she had questioned 520 randomly selected students exiting the

statistics
5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a

UNM
Suppose that the average weight of students in a statistics class is 75.5 kilograms with a standard deviation of 10.3 kilograms. 42% of the students weights are above what kilograms?

UNM
Suppose that the average weight of students in a statistics class is 75.5 kilograms with a standard deviation of 10.3 kilograms. 45% of the students weights are above what kilograms?

Finance
Weight (lb) Cost (Overnight) Cost (3Day) 2 $16.00 $2.90 3 $18.25 $3.50 4 $19.50 $3.98 The table above lists shipping rates for DSL (overnight delivery) versus “snail mail” (threeday delivery) for sending a package from Saskatoon Saskatchewan, to

English
Which of the following sentences both a direct and indirect object? A. My psychology professor has written several books. B.My pyschology prefessor is one of the best lecturers on campus. c.my psychology professor requires his students to quite a bit