Suppose the GPAs of all VVC students have an approximately normal distribution with a mean of 2.98 and a standard deviation of 0.31. Find the probability that the mean GPA of a random sample of 15 VVC students is a. 3.13 or higher b. 2.87 or lower c. between 2.81 and 3.17
Suppose the GPAs of all VVC students have an approximately normal distribution with a mean of 2.98 and a standard deviation of 0.31. Find the probability that the mean GPA of a random sample of 15 VVC students is a. 3.13 or higher b. 2.87 or lower c. between 2.81 and 3.17
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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Suppose the GPAs of all VVC students have an approximately normal distribution with a mean of 2.98 and a standard deviation of 0.31. Find the probability that the mean GPA of a random sample of 15 VVC students is
a. 3.13 or higher
b. 2.87 or lower
c. between 2.81 and 3.17
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