Question: Hi please can you help me solve this question I need to see how you got the answer please show working Use the confidence level

Hi please can you help me solve this question I need to see how you got the answer please show working

Use the confidence level and sample data to find a confidence interval for estimating the population p. 14) A group of 66 randomly selected students have a mean score of 21.4 with a standard deviation of 5.0 on a placement test. What is the 90 percent confidence interval for the mean score, u, of all students taking the test

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