A bank wishes to estimate the mean credit card balance owed by its customers. The population standard deviation is estimated to be $300. If a 98% confidence interval is used and an interval of $75 is desired,how many customers should be sampled?
A)44
B)212
C)629
D)87

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The Answer of A bank wishes to estimate the mean credit card balance owed by its customers. The population standard deviation is estimated to be $300. If a 98% confidence interval is used and an interval of $75 is desired,how many customers should be sampled?
A)44
B)212
C)629
D)87

A Bank Wishes to Estimate the Mean Credit Card Balance