A contractor has concluded from his experience that the cost of building a luxury home is a normally distributed random variable with a mean of $500,000 and a standard deviation of $50,000. a. What is the probability that the cost of building a home will be between $460,000 and $540,000? b. The probability is 0.2 that the cost of building will be less than what amount? c. Find the shortest range such that the probability is 0.95 that the cost of a luxury home will fall in this range.
A contractor has concluded from his experience that the cost of building a luxury home is a normally distributed random variable with a mean of $500,000 and a standard deviation of $50,000. a. What is the probability that the cost of building a home will be between $460,000 and $540,000? b. The probability is 0.2 that the cost of building will be less than what amount? c. Find the shortest range such that the probability is 0.95 that the cost of a luxury home will fall in this range.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A contractor has concluded from his experience that the cost of building a luxury home is a
a. What is the probability that the cost of building a home will be between $460,000 and $540,000?
b. The probability is 0.2 that the cost of building will be less than what amount?
c. Find the shortest range such that the probability is 0.95 that the cost of a luxury home will fall in this range.
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