Hours Spent on Exam It is known that Stat 351 students spend, on average, 8 hours on the final exam with a standard deviation of 3.3 hours. A sample of 64 students is selected. What is approximately the probability that the sample average of the number of hours studied for these students is greater than 8.1? (Round answers to 4 decimal points) Probability:

Hours Spent on Exam It is known that Stat 351 students spend, on average, 8 hours on the final exam with a standard deviation of 3.3 hours. A sample of 64 students is selected. What is approximately the probability that the sample average of the number of hours studied for these students is greater than 8.1? (Round answers to 4 decimal points) Probability:

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter13: Probability And Calculus

Section13.2: Expected Value And Variance Of Continuous Random Variables

Problem 10E

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Hours Spent on Exam

It is known that Stat 351 students spend, on average, 8 hours on the final exam with a standard deviation of 3.3 hours.

A sample of 64 students is selected. What is approximately the probability that the sample average of the number of hours studied for these students is greater than 8.1? (Round answers to 4 decimal points)

Probability:

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