There are 300 students enrolled in Business Statistics. Historically, exam scores are normally distributed with a standard deviation of 30.9 . Your instructor randomly selected a sample of 30 examinations and finds a mean of 74.2 . Determine a 90% confidence interval for the mean score for all students taking the course. ____________________ to ____________________

Fill in the blank(s) with correct word


64.92; 83.48

Business

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What will be an ideal response?

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What will be an ideal response?

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