Mathematics, 19.01.2020 01:31, dhernandez081

Will mark brainliest (50 pts)
suppose the number of students in a class for the business statistics program at a university has a mean of 23 with a standard deviation of 4.3. if 15 classes are selected randomly, find the probability that the mean number of students is between 20 and 30.
a) 0.6824
b) 0.9699
c) 0.9966
d) 0.8412
i'm pretty sure it is either b or c but i'm not
an explanation would also be nice!

Answers: 1

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Will mark brainliest (50 pts)
suppose the number of students in a class for the business stati...