Stress at work: In a poll conducted by the General Social Survey, 80% of respondents said that their jobs were sometimes or always stressful. Two hundred and twenty 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 160 or fewer workers find their jobs stressful. (b) Approximate the probability that more than 158 workers find their jobs stressful. (c) Approximate the probability that the number of workers who find their jobs stressful is between 156 and 165 inclusive.
Stress at work: In a poll conducted by the General Social Survey, 80% of respondents said that their jobs were sometimes or always stressful. Two hundred and twenty 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 160 or fewer workers find their jobs stressful. (b) Approximate the probability that more than 158 workers find their jobs stressful. (c) Approximate the probability that the number of workers who find their jobs stressful is between 156 and 165 inclusive.
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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Please answer a,b,c. show calculator setup please.
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. Two hundred and twenty 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 160 or fewer workers find their jobs stressful.
(b) Approximate the probability that more than 158 workers find their jobs stressful.
(c) Approximate the probability that the number of workers who find their jobs stressful is between 156 and 165 inclusive.
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