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Q: A 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 98 percent confidence interval is used
and an interval of ±\$75 is desired, how many cardholders should be sampled? A. 87 B. 3382 C. 629 D. 62
A: A 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 98 percent confidence interval is used and an interval of ±\$75 is desired. There are 87 cardholders that should be sampled.
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Updated 4/6/2013 12:53:02 PM
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A 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 98 percent confidence interval is used and an interval of ±\$75 is desired.

There are 87 cardholders that should be sampled.

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