If You Wish to Estimate with 95% Confidence the Average

question 105

Multiple Choice

If you wish to estimate with 95% confidence the average number of miles that students living off-campus commute to classes every day, a random sample of 20 students produced a mean equal to 5.2 miles and a standard deviation of 3.05 miles. Then the point estimate for the true population mean is:

• A) 3.22
• B) 6.63
• C) 5.20
• D) 2.15
• E) 1.96

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