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Mathematics, 22.06.2019 13:00 natetheman7740

In october of last year a random sample of college interns was surveyed. the average summer salary for this sample of interns was $10,000. the standard deviation for the sample was $2,400. the sample contained 40 interns. the confidence interval to estimate the average salary for the entire population of college interns with a 10% level of significance is:

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