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Need Help in the following multiple choice select the correct A bank officer wishes to estimate the average total deposits per customer at the bank.

Need Help in the following multiple choice select the correct

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A bank officer wishes to estimate the average total deposits per customer at the bank. She would like the estimate to be within $200 of the actual average with 95% confidence. She assumes the standard deviation for this should be $1000. How large should the sample be? Select one: O a. 68 O b. 97 O c. 10 O d. 19,208

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