SOLUTION: The Xenia location of Key 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 devi

Question 868541: The Xenia location of Key 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. To gain full credit, show all your work; an answer alone is not good enough!
a. Determine the percentage of its customers who have daily balances of more than $275
b. Determine the percentage of its customers who have daily balances less than $243?
c. Determine the percentage of its customers whose balance is between $241 and $301.60?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
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