Mathematics, 17.03.2021 23:50 broooooo4991
3. The Harvard College Alcohol Study interviewed a SRS of 500 college students about their drinking habits. Suppose that 45% of all college students answer a certain question positively.
A. What are the mean and the standard deviation of the proportion of the sample who answer βyesβ. Test the independence assumption (population is 10X sample size) before calculating s.
B. Test the normality assumption. Is it safe to use normal probabilities in this case?
C. Find the probability that p is between 0.43 and 0.46.β
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3. The Harvard College Alcohol Study interviewed a SRS of 500 college students about their drinking...
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Mathematics, 17.12.2019 21:31
