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 $24,858. Assume that the cost of a wedding is normally distributed with a mean of $24,858 and a standard deviation of $5,300. (a) What is the probability that a wedding costs less than $18,000? (Round your answer to four decimal places.) (b) What is the probability that a wedding costs between $18,000 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.)
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 $24,858. Assume that the cost of a wedding is normally distributed with a mean of $24,858 and a standard deviation of $5,300. (a) What is the probability that a wedding costs less than $18,000? (Round your answer to four decimal places.) (b) What is the probability that a wedding costs between $18,000 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.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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 $24,858. Assume that the cost of a wedding is normally distributed with a mean of $24,858 and a standard deviation of $5,300.
(a)
What is the probability that a wedding costs less than $18,000? (Round your answer to four decimal places.)
(b)
What is the probability that a wedding costs between $18,000 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.)
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