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In a random sample of size 100 taken from a population of size 1,000, the mean and s.d. of a sample characteristic are found to

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In a random sample of size 100 taken from a population of size 1,000, the mean and s.d. of a sample characteristic are found to be 4.8 and 1.1 respectively. Find the 95% confidence interval for the population mean.

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