MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question

The lengths of adult males' hands are normally distributed with mean 191 mm and standard deviation is 7.1 mm. Suppose that 50 individuals are randomly chosen. Round all answers to 4 where possible.

  1. For the group of 50, find the probability that the average hand length is more than 193. ?
  2. Find the first quartile for the average adult male hand length for this sample size.?
Expert Solution
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Step 1

Given,mean(μ)=191Standard deviation(σ)=7.1sample size(n)=50

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