Mathematics, 11.02.2020 01:18, gabistel06

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 42 with a standard deviation of 8 days. Assume the data to be approximately bell-shaped.1. Between what two values will approximately 95% of the numbers of days be?

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In a large sample of customer accounts, a utility company determined that the average number of days...