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Stress at work: In a poll about work, 82% of respondents said that their jobs were sometimes or always stressful. Ten workers are chosen at random. Round the answers to four decimal places. Part 1 of 4 (a) What is the probability that exactly 9 of them find their jobs stressful? The probability that exactly 9 of them find their jobs stressful is 0.32 Part 2 of 4 (b) What is the probability that more than 6 find their jobs stressful? The probability that more than 6 find their jobs stressful is 0.54 Part 3 of 4 (c) What is the probability that fewer than 5 find their jobs stressful? The probability that fewer than 5 find their jobs stressful is 26 X X 5

Stress at work: In a poll about work, 82% of respondents said that their jobs were sometimes or always stressful. Ten workers are chosen at random. Round the answers to four decimal places. Part 1 of 4 (a) What is the probability that exactly 9 of them find their jobs stressful? The probability that exactly 9 of them find their jobs stressful is 0.32 Part 2 of 4 (b) What is the probability that more than 6 find their jobs stressful? The probability that more than 6 find their jobs stressful is 0.54 Part 3 of 4 (c) What is the probability that fewer than 5 find their jobs stressful? The probability that fewer than 5 find their jobs stressful is 26 X X 5

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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### Stress at Work: Probability Assessment In a poll about work, 82% of respondents said that their jobs were sometimes or always stressful. Ten workers are chosen at random. Round the answers to four decimal places. #### Part 1 of 4: **(a) What is the probability that exactly 9 of them find their jobs stressful?** The probability that exactly 9 of them find their jobs stressful is \( 0.3200 \). #### Part 2 of 4: **(b) What is the probability that more than 6 find their jobs stressful?** The probability that more than 6 find their jobs stressful is \( 0.5400 \). #### Part 3 of 4: **(c) What is the probability that fewer than 5 find their jobs stressful?** The probability that fewer than 5 find their jobs stressful is \( 0.2600 \). #### Part 4 of 4: **(d) Using a cutoff of 0.05, would it be unusual if fewer than 4 of them find their jobs stressful?** It **would** be unusual if fewer than 4 of them find their jobs stressful, since the probability is \( \boxed{} \).
Transcribed Image Text:### Stress at Work: Probability Assessment In a poll about work, 82% of respondents said that their jobs were sometimes or always stressful. Ten workers are chosen at random. Round the answers to four decimal places. #### Part 1 of 4: **(a) What is the probability that exactly 9 of them find their jobs stressful?** The probability that exactly 9 of them find their jobs stressful is \( 0.3200 \). #### Part 2 of 4: **(b) What is the probability that more than 6 find their jobs stressful?** The probability that more than 6 find their jobs stressful is \( 0.5400 \). #### Part 3 of 4: **(c) What is the probability that fewer than 5 find their jobs stressful?** The probability that fewer than 5 find their jobs stressful is \( 0.2600 \). #### Part 4 of 4: **(d) Using a cutoff of 0.05, would it be unusual if fewer than 4 of them find their jobs stressful?** It **would** be unusual if fewer than 4 of them find their jobs stressful, since the probability is \( \boxed{} \).
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