Mathematics, 19.04.2021 15:50 Leigh7726

Among all monthly bills from a certain credit card company, the mean amount billed was $465 and the standard deviation was $300. In addition, for 15% of the bills, the amount billed was greater than $1000. A sample of 925 bills is drawn. What is the probability that the average amount billed on the sample bills is greater than $500

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