Mathematics, 01.12.2021 02:00, gage1963

A group conducted a survey of 13,000 brides and grooms married in the United States and found that the average cost of a wedding is $23,858. Assume that the cost of a wedding is normally distributed with a mean of $23,858 and a standard deviation of $5,700. (a) What is the probability that a wedding costs less than $18,000

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A group conducted a survey of 13,000 brides and grooms married in the United States and found that t...