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clcharleston clcharleston
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Posts: 835
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6 years ago
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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Replies
wrote...
6 years ago
a . 59.87
b. 3.22
c. 83.43
wrote...
3 years ago
Thank hou
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