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Mathematics, 07.08.2021 04:10 meramera50
Workers employed in a large service industry have an average wage of $12.00 per hour with a standard deviation of $0.40. The industry has 49 workers of a certain ethnic group. These workers have an average wage of $11.90 per hour. Calculate the probability of obtaining a sample mean less than or equal to $11.90 per hour. (Round your answer to four decimal places.)
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