Determining the distributed with a population mean

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The ages of De Anza evening students is known to be normally distributed with a population mean of 40 and a population standard deviation of 6. A sample of 6 De Anza evening students reported their ages (in years) as: 28; 35; 47; 45; 30; 50. Find the probability that the mean of 6 ages of randomly chosen students is less than 35 years.

Reference no: EM131824334

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