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Stress at work: In a poll about work, 50% of respondents said that their jobs...

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Stress at work: In a poll about work, 50% of respondents said that their jobs were sometimes or always stressful. Eight workers are chosen at random.(a) What is the mean number who find their jobs stressful in a sample of 8 workers? Round the answer to two decimal places.The mean number who find their jobs stressful is(b) What is the standard deviation of the number who find their jobs stressful in a sample of 8 workers? Round the answer to four decimal places.The standard deviation of the number who find their jobs stressful is

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