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SAT, 04.02.2022 05:40 notseansafe

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 30 with a standard deviation of 5 days. Assume the data to be approximately bell-shaped.

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Pay your bills: In a large sample of customer accounts, a utility company determined that the averag...

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