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# An IQ test was given to a simple random sample of 75 students from a certain college. The sample mean score was 105. Scores on the test are known to...

An IQ test was given to a simple random sample of 75 students from a certain college. The sample mean score was 105.2. Scores on the test are known to have a population standard deviation of 10. A 90% confidence interval for the population mean is _______ (round to three decimal places)