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Author Question: The Independent Bank surveyed the status of student accounts and found that the average overdraft ... (Read 60 times)

armygirl

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on: Jun 24, 2018
The Independent Bank surveyed the status of student accounts and found that the average overdraft was 21.22 with a standard deviation of 5.49 . If the distribution is normal, find the probability of a student being overdrawn by more than 18.75.

Question 2

Assume that all possible simple random samples of size two are taken from this population, and that the original population is normally distributed. Apply the Central Limit Theorem to find the mean of the sampling distribution of sample means.


smrtceo

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Reply #1 on: Jun 24, 2018
Answer to Question 1

0.6736

Answer to Question 2

1.75


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