Multiple Choice
A financial institution wishes to estimate the mean balances owed by its credit card customers. The population standard deviation is $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
Correct Answer:
Verified
Correct Answer:
Verified
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