Mathematics, 30.11.2019 05:31 sidthesciencekidz
Abank wishes to estimate the mean credit card balance owed by its customers. the population standard deviation is estimated to be $300. if a 98 percent confidence interval is used and an interval of $78 is desired, how many customers should be sampled? a. 725b. 80c. 57d. 320
Answers: 1
= population standard deviation.
(two tailed ), the critical will be = 
[To the nearest option]
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Abank wishes to estimate the mean credit card balance owed by its customers. the population standard...
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