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Suppose that hourly wage in a company is normally distributed with a mean of $50 and a standard deviation of $10. If a sample of

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Suppose that hourly wage in a company is normally distributed with a mean of $50 and a standard deviation of $10. If a sample of 100 employees are selected, what is the probability that the sample mean of their hourly wage is less than $48? Select one: a. 0.0228 b. 0.1587 C. 0.8413 d. 0.9772

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