The lengths of adult males' hands are normally distributed with mean 185 mm and standard deviation is 7.4 mm. Suppose that 6 individuals are randomly chosen. Round all answers to 4 where possible.
The lengths of adult males' hands are normally distributed with mean 185 mm and standard deviation is 7.4 mm. Suppose that 6 individuals are randomly chosen. Round all answers to 4 where possible.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Question
The lengths of adult males' hands are
Expert Solution
Step 1
Given Information:
The lengths of adult males' hands are normally distributed Mean mm and Standard deviation mm.
Sample size (n) = 6
(a) If a sample of size is drawn from a normal population with mean and standard deviation , then the sampling distribution of sample mean is approximately normally distributed with mean and standard deviation .
So, mean of the sampling distribution of sample mean is
Standard deviation of the sampling distribution of sample mean is
Thus,
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