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

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 $26,858. Assume that the cost of a wedding is normally distributed with a mean of $26,858 and a standard deviation of $5,500.

(a) What is the probability that a wedding costs less than $19,000? (Round your answer to four decimal places.)

(b) What is the probability that a wedding costs between $19,000 and $30,000? (Round your answer to four decimal places.)

(c) What is the minimum cost (in dollars) for a wedding to be included among the most expensive 5% of weddings? (Round your answer to the nearest dollar.)

Math   Statistics-And-Probability   
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