Each year over 1,000 college students die in alcohol-related deaths, often in ca

Question

Each year over 1,000 college students die in alcohol-related deaths, often in cases that involve binge drinking. Harvard School of Public Health reported in 2004 that 44% of college students are binge drinkers. In an informal anonymous survey conducted in a statistics class shortly after the Harvard report was released, students were asked: "In the past two weeks, have you had (males) more than five alcoholic drinks on one occasion? (females) more than tour alcoholic drinks on one occasion?" This is how experts classify a student to be a binge drinker or not.] Suppose the proportion answering yes was 25/60 = 0.42. Report the center of the distribution of sample proportion, when population proportion is 0.44 and sample size is 60. (Round your answer to decimal places.) Report the spread of the distribution of sample proportion, when population proportion is 0.44 and sample size is 60. () How can we characterize the shape of the distribution?

Explanation / Answer

a) here center of the sample proportion =population proportion=0.44

b)spread =std deviation =(p(1-p)/n)1/2 =0.06

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