Mathematics, 07.05.2020 04:57, samaragreen34

) In a poll conducted by the General Social Survey, 81% of respondents said that their jobs were sometimes or always stressful. Ten workers are chosen at random. (a) What is the probability that exactly 8 of them find their jobs stressful? (b) What is the probability that fewer than 5 find their jobs stressful? (c) What is the mean number who find their jobs stressful in a sample of 10 workers? (d) What is the standard deviation of the number who find their jobs stressful in a sample of 10 workers?

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) In a poll conducted by the General Social Survey, 81% of respondents said that their jobs were som...