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Answer all the following Questions 1.The mean work week for engineers in a company is believed to be about 50 hours. A newly hired engineer hopes that it's shorter. She asks 36 engineering friends in the company for the lengths of their mean work weeks and found that the average is 47 with the standard deviation is 4. Based on the results should she count on the mean work week to be shorter than 50 hours with the significance level 0.05?

Answer all the following Questions 1.The mean work week for engineers in a company is believed to be about 50 hours. A newly hired engineer hopes that it's shorter. She asks 36 engineering friends in the company for the lengths of their mean work weeks and found that the average is 47 with the standard deviation is 4. Based on the results should she count on the mean work week to be shorter than 50 hours with the significance level 0.05?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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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Answer all the following Questions 1.The mean work week for engineers in a company is believed to be about 50 hours. A newly hired engineer hopes that it's shorter. She asks 36 engineering friends in the company for the lengths of their mean work weeks and found that the average is 47 with the standard deviation is 4. Based on the results should she count on the mean work week to be shorter than 50 hours with the significance level 0.05? 2 Morkoting oomn cbavo colloctod data implving that girls use more ring tones on their cellular phones than boys do, In one
Transcribed Image Text:Answer all the following Questions 1.The mean work week for engineers in a company is believed to be about 50 hours. A newly hired engineer hopes that it's shorter. She asks 36 engineering friends in the company for the lengths of their mean work weeks and found that the average is 47 with the standard deviation is 4. Based on the results should she count on the mean work week to be shorter than 50 hours with the significance level 0.05? 2 Morkoting oomn cbavo colloctod data implving that girls use more ring tones on their cellular phones than boys do, In one
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