The probability that a randomly chosen student in a statistics class submits his/her homework on time...
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The probability that a randomly chosen student in a statistics class submits his/her homework on time is 0.41. There is 35 student in the class. Each student does his/her homework independently. What is the expected value of X, where X is the number of students who submit the homework on time? QUESTION 8 The probability that a randomly chosen student in a statistics class submits his/her homework on time is 0.17. Each student does homework independently. In a statistics class of 50 students, what is the probability that at least 5 will do their homework on time? QUESTION 9 John's answering machine receives about 11 telephone calls between 8:00 am and 10:00 am. What is the probability that John receives exactly one phone call between 9:00 am and 9:15 am? QUESTION 10 The probability that a randomly chosen student in a statistics class submits his/her homework on time is 0.31. There is 36 student in the class. Each student does his/her homework independently. What is the standard deviation of X, where X is the number of students who submit the homework on time? The probability that a randomly chosen student in a statistics class submits his/her homework on time is 0.41. There is 35 student in the class. Each student does his/her homework independently. What is the expected value of X, where X is the number of students who submit the homework on time? QUESTION 8 The probability that a randomly chosen student in a statistics class submits his/her homework on time is 0.17. Each student does homework independently. In a statistics class of 50 students, what is the probability that at least 5 will do their homework on time? QUESTION 9 John's answering machine receives about 11 telephone calls between 8:00 am and 10:00 am. What is the probability that John receives exactly one phone call between 9:00 am and 9:15 am? QUESTION 10 The probability that a randomly chosen student in a statistics class submits his/her homework on time is 0.31. There is 36 student in the class. Each student does his/her homework independently. What is the standard deviation of X, where X is the number of students who submit the homework on time?
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Answer rating: 100% (QA)
1 n35 p041 Ex n x p EX 35 x 041 1435 we can round off to 15 or assume it to 14 since its expected a ... View the full answer
Related Book For
Statistics For Business And Economics
ISBN: 9780132745659
8th Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
Posted Date:
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