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    Business Statistics in Practice Study Set 1
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    Exam 9: Statistical Inferences Based on Two Samples
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    What Sample Size Is Needed to Estimate with 95 Percent
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What Sample Size Is Needed to Estimate with 95 Percent

Question 91

Question 91

Essay

What sample size is needed to estimate with 95 percent confidence the mean intake of calcium within 20 units of the true mean if the intake is normal with a variance of 1900 units?

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