As part of a public health survey, a random sample of college students were asked about their weekly drinking habits. The following results were obtained:

a. Are there independent and dependent variables in this case? If so, what are they? If not, why not?
b. What percent of the sample reports not drinking?
c. What percent of men report drinking, but having fewer than three drinks per week?
d. What percent of women report drinking, but having fewer than three drinks per week?
e. What percent of men report drinking at least three drinks per week?

f. What percent of women report drinking at least three drinks per week?
g. What percent of the sample reports having at least three drinks per week?

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Drinking Habits of College Students by Gender Level of drinking <3 Drinks Never per week Gender Men Women 116 164 88 104 3+ Drinks per Week 49 32