Question: to work on this test. It is open book and notes, so no LockDown Browser is required. Question 14 3 pts For a random sample

to work on this test. It is open book and notes,

to work on this test. It is open book and notes, so no LockDown Browser is required. Question 14 3 pts For a random sample of 100 students the average textbook and supplies cost was $620 for one semester. Calculate a 99% confidence interval for the true mean cost for a semester's materials. Assume a population standard deviation of $25. Calculate the margin or error for this analysis rounded to the nearest cent (2 decimal places). Previous Next &gt

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