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Author Question: A medical records manager would like to review hospital records in order to determine the average ... (Read 185 times)

LCritchfi

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A medical records manager would like to review hospital records in order to determine the average hospital stay for surgery patients during the past year. What sample size must be taken in order to be 95 confident that the estimate is within 1 day of the true mean? She has past studies, which indicate that  is 20.25 days.

Question 2

An auditor wishes to take a sample to verify the accounts receivable balances for a company having 500 accounts. From past history, he knows that  is 102.49 . What sample size must be taken to be 99 confident that the estimate will be within 10 of the true mean account balance?



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cdmart10

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Answer to Question 1

1576

Answer to Question 2

292




LCritchfi

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)


zacnyjessica

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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