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It is known that the scores of an aptitude test given to applicants for entry level positions in a company follow a normal distribution with.

It is known that the scores of an aptitude test given to applicants for entry level positions in a company follow a normal distribution with. For a random sample of 16 applicants selected from the current group of applicants, the mean score is 170. Find a 95% confidence interval for the population mean of the current group of applicants.

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