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

Algebra ->  Probability-and-statistics -> 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      Log On


   



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) About Me  (Show Source):
You can put this solution on YOUR website!
Previously Posted