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The probability that 140 or fewer workers find their jobs stressful is Part 2 of 3 The probability that more than 155 workers find their jobs stressful is Part 3 of 3 The probability that the number of workers who find their jobs stressful is between 145 and 158 inclusive is

The probability that 140 or fewer workers find their jobs stressful is Part 2 of 3 The probability that more than 155 workers find their jobs stressful is Part 3 of 3 The probability that the number of workers who find their jobs stressful is between 145 and 158 inclusive is

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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1, 2 and 3

Stress at work: In a poll conducted by the General Social Survey, 80% of respondents said that their jobs were sometimes or always stressful. One hundred and ninety workers are chosen at random. Use the TI-84 Plus calculator as needed. Round your answer to at least four decimal places. (a) Approximate the probability that 140 or fewer workers find their jobs stressful. (b) Approximate the probability that more than 155 workers find their jobs stressful. (c) Approximate the probability that the number of workers who find their jobs stressful is batween 145 and 158 inclusive.
Transcribed Image Text:Stress at work: In a poll conducted by the General Social Survey, 80% of respondents said that their jobs were sometimes or always stressful. One hundred and ninety workers are chosen at random. Use the TI-84 Plus calculator as needed. Round your answer to at least four decimal places. (a) Approximate the probability that 140 or fewer workers find their jobs stressful. (b) Approximate the probability that more than 155 workers find their jobs stressful. (c) Approximate the probability that the number of workers who find their jobs stressful is batween 145 and 158 inclusive.
Part 1 of 3 The probability that 140 or fewer workers find their jobs stressful is Part 2 of 3 The probability that more than 155 workers find their jobs stressful is Part 3 of 3 The probability that the number of workers who find their jobs stressful is between 145 and 158 inclusive is
Transcribed Image Text:Part 1 of 3 The probability that 140 or fewer workers find their jobs stressful is Part 2 of 3 The probability that more than 155 workers find their jobs stressful is Part 3 of 3 The probability that the number of workers who find their jobs stressful is between 145 and 158 inclusive is
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