Mathematics, 12.06.2020 16:57 brutusjohnson1
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 bell-shaped. Estimate the percentage of bills for which payment was made in greater than days.
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In a large sample of customer accounts, a utility company determined that the average number of days...
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