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Author Question: The Retail Advertising and Marketing Association would like to estimate the average amount of money ... (Read 77 times)

Jkov05

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on: Jun 24, 2018
The Retail Advertising and Marketing Association would like to estimate the average amount of money that a person spends for Mother's Day with a 99 confidence interval and a margin of error within plus or minus 6.
 
  Assuming the standard deviation for spending on Mother's Day is 36, the required sample size is ________.A) 210
  B) 239
  C) 284
  D) 313

Question 2

The Retail Advertising and Marketing Association would like to estimate the average amount of money that a person spends for Mother's Day with a 99 confidence interval and a margin of error within plus or minus 12.
 
  Assuming the standard deviation for spending on Mother's Day is 36, the required sample size is ________.A) 60
  B) 72
  C) 97
  D) 108
Business Statistics ¦ Donnelly ¦ 2nd Edition
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sierrahalpin

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

B

Answer to Question 2

A


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