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Please help 2 4 5 = 6 7 8 10 Water Temperature If the variance of the water temperature in a lake is 290, how

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2 4 5 = 6 7 8 10 Water Temperature If the variance of the water temperature in a lake is 290, how many days should the researcher select to measure the temperature to whole number. estimate the true mean within 30 with 99% confidence? Round the intermediate calculations to two decimal places and round up your final answer to the next The researcher needs a sample of at least days. X

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