Question: Excel Version A local bank has determined that the daily balances of the checking accounts of its customers are normally distributed with an average of

Excel Version A local bank has determined that the daily balances

Excel Version

A local bank has determined that the daily balances of the checking accounts of its customers are normally distributed with an average of $280 and a standard deviation of $20. a. What percentage of its customers has daily balances of more than $275? b. What percentage of its customers has daily balances less than $243? c. What percentage of its customers' balances is between $241 and $301.60

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