Pay your bills: In a large sample of customer accounts, a utility company determined that the average number of days between when a bill was sent out and when the payment was made is with a standard deviation of days. Assume the data to be approximately

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Pay your bills: In a large sample of customer accounts, a utility company determined that the average number of days between when a bill was sent out and when the payment was made is with a standard deviation of days. Assume the data to be approximately

Pay your bills: In a large sample of customer accounts, a utility company determined that the average number of days between when a bill was sent out and when the payment was made is

27

with a standard deviation of

5

days. Assume the data to be approximately bell-shaped.

Part: 0 / 3

0 of 3 Parts Complete

Part 1 of 3

(a) Estimate the percentage of bills for which payment was made in greater than

37

days.

ays between when a bill was sent out and when the payment

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