The average waistline of adult females in a certain city measures 24 inches, with a standard deviation of 4 inches. Random samples of size 40 are drawn from this population. Choose. + What is the appropriate measure/distribution to be used? Find the probability that the mean waistline of a random sample of 40 females is at most 26 inches? 99.92% 3.16

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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The average waistline of adult
females in a certain city measures
24 inches, with a standard deviation
of 4 inches. Random samples of size
40 are drawn from this population.
mnat
Choose.
• What is the
appropriate measure/distribution to
be used?
Find the probability that the mean
waistline of a random sample of 40
females is at most 26 inches?
99.92%
3.16
0.0008
0.0154
% What
percent of sample means will lie
between 23 and 25 inches? (nearest
hundredths)
Transcribed Image Text:The average waistline of adult females in a certain city measures 24 inches, with a standard deviation of 4 inches. Random samples of size 40 are drawn from this population. mnat Choose. • What is the appropriate measure/distribution to be used? Find the probability that the mean waistline of a random sample of 40 females is at most 26 inches? 99.92% 3.16 0.0008 0.0154 % What percent of sample means will lie between 23 and 25 inches? (nearest hundredths)
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