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2) The table lists the drinking habits of a group of college students. Sex Non-Drinker Regular...

2) The table lists the drinking habits of a group of college students.

Sex Non-Drinker Regular Drinker Heavy Drinker Total
Man 135 31 5 171
Woman 187 21 7 215
Total 322 52 12 386

a. If a student is chosen at random, find the probability of choosing a regular or a heavy drinker.

b. If a student is chosen at random, find the probability of getting a man or non-drinker..

Math   Statistics-And-Probability   
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