Mathematics, 17.07.2020 20:01, AngelyAce

A random sample of 145 students is chosen from a population of 4,250 students. The mean IQ in the sample is 130, with a standard deviation of 7. Using a margin of error of 0.95%, what is the 90% confidence interval for the students' mean IQ score?

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A random sample of 145 students is chosen from a population of 4,250 students. The mean IQ in the sa...