Short Answer
A major credit card company has determined that its customers charge an average of $280 per month on their accounts with a standard deviation of $20.
a.What percentage of the customers charges more than $275 per month?
b.What percentage of the customers charges less than $243 per month?
c.What percentage of the customers charges between $241 and $301.60 per month?
Correct Answer:
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a.59.87%
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Correct Answer:
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b...
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