Suppose the number of students in a class for the Business

Last updated: 8/7/2022

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) 0.9699 (B) 0.6824 (C) 0.8412 (D) 0.9966