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Please help I'm in the middle of a timed quiz The mean per capita consumption of milk per year is 132 liters with a variance

Please help I'm in the middle of a timed quiz

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The mean per capita consumption of milk per year is 132 liters with a variance of 625. If a sample of 196 people is randomly selected, what is the probability that the sample mean would be less than 129.2 liters? Round your answer to four decimal places

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