Question: Problem 20 Stress at work: In a poll conducted by the General Social Survey, 70% of respondents said that their jobs were sometimes or always

Problem 20

Stress at work: In a poll conducted by the General Social Survey, 70% of respondents said that their jobs were sometimes or always stressful. Ten workers are chosen at random. Round the answers to at least four decimal places. Part: 0 / 4 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 ' I LK X 6 Part: 1 / 4 N 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 ' ' X S 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 ' ' Part: 3 / 4 Part 4 of 4 (d) Would it be unusual if fewer than 4 of them find their jobs stressful? Use a cutoff of 0.05. It [(Choose one) V |be unusual if fewer than 4 of them find their jobs stressful, since the probability is

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