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Researchers report that children between the ages of 2 and 5 years watch an average of 25 hours of television per week. Assume that the variable time is distributed normally with a standard deviation of 2 hours. A random sample of 40 children between the ages of 2 and 5 was chosen. Let X be the average time a randomly selected group of 40 children between the ages of 2 and 5 watch television per week? Then X - 25 N ,2 V40 O N(25, 2) O (25, 2) N 25, V40

Researchers report that children between the ages of 2 and 5 years watch an average of 25 hours of television per week. Assume that the variable time is distributed normally with a standard deviation of 2 hours. A random sample of 40 children between the ages of 2 and 5 was chosen. Let X be the average time a randomly selected group of 40 children between the ages of 2 and 5 watch television per week? Then X - 25 N ,2 V40 O N(25, 2) O (25, 2) N 25, V40

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Researchers report that children between the ages of 2 and 5 years watch an average of 25 hours of television per week. Assume that the variable time is distributed normally with a standard deviation of 2 hours. A random sample of 40 children between the ages of 2 and 5 was chosen. Let X be the average time a randomly selected group of 40 children between the ages of 2 and 5 watch television per week? Then X ~ 25 N ,2 V40 O N(25, 2) O U 25, 2) 2 N 25, V40
Transcribed Image Text:Researchers report that children between the ages of 2 and 5 years watch an average of 25 hours of television per week. Assume that the variable time is distributed normally with a standard deviation of 2 hours. A random sample of 40 children between the ages of 2 and 5 was chosen. Let X be the average time a randomly selected group of 40 children between the ages of 2 and 5 watch television per week? Then X ~ 25 N ,2 V40 O N(25, 2) O U 25, 2) 2 N 25, V40
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