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

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
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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
Part: 3/4
x
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?
be unusual if fewer than 4 of them find their jobs stressful, since the probability is
It would
X
Transcribed Image Text: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 Part: 3/4 x 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? be unusual if fewer than 4 of them find their jobs stressful, since the probability is It would X
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