financial institution wishes to estimate the mean balances owed by its credit card customers. The population standard deviation estimated to be $300

financial institution wishes to estimate the mean balances owed by its credit card customers. The population standard deviation is estimated to be $300. If a 99 percent confidence interval is used and an interval of $75 is desired, how many cardholders should be sampled?

A) 3382

B) 629

C) 87

D) 107

RES / 341 RES/341 RES341 RES 341 QUIZ # 3

(Chapters 2+8 from Applied Statistics in Business and Economics )

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