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New Home SizesA contractor decided to build homes that will include the middle 80% of
Chapter 6, Problem 19E(choose chapter or problem)
Problem 19E
New Home SizesA contractor decided to build homes that will include the middle 80% of the market. If the average size of homes built is 1810 square feet, find the maximum and minimum sizes of the homes the contractor should build. Assume that the standard deviation is 92 square feet and the variable is normally distributed.
Questions & Answers
QUESTION:
Problem 19E
New Home SizesA contractor decided to build homes that will include the middle 80% of the market. If the average size of homes built is 1810 square feet, find the maximum and minimum sizes of the homes the contractor should build. Assume that the standard deviation is 92 square feet and the variable is normally distributed.
ANSWER:
Solution 19E
Step1 of 2:
From the given problem we have:
Here contractor decided to build homes that will include the middle 80% of the market.
We need to find the maximum and minimum sizes of the homes the contractor should build.
Step2 of 2:
The area under normal curve is:
1). The minimum size of the homes the contractor should build is: