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In a large city, the average number of lawn mowings during summer is normally distributed with mean [J and standard deviation 0 = 7.3. If

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In a large city, the average number of lawn mowings during summer is normally distributed with mean [J and standard deviation 0 = 7.3. If I want the margin of error for a 99% condence interval to be i4, I should select a simple random sample of size (4 decimal points)

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