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### Given:
- The cost of weddings is normally distributed.
- Mean

The XO Group Inc. conducted a 2015 survey of 13,000 brides and grooms married in the United States and found that the average cost of a wedding is $29,858. Assume that the cost of a wedding is normally distributed with a mean of $29,858 and a standard deviation of $5,600. What is the probability that a wedding costs less than $20,000? What is the probability that a wedding costs between $20,000 and $30,000? For a wedding to be among the 5% most expensive, how much would it have to cost?

Calculate the probability that a wedding costs less than $20,000 or falls between $20,000 and $30,000, using a normal distribution with a mean cost of $29,858 and a standard deviation of $5,600. Learn how to determine the cost required for a wedding to be among the top 5% most expensive.

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