1. From a deck of 52 cards (Ace, 2, 3.......10, Jack, Queen, King; with each one having clubs or flower, spade, heart and diamond). When a card is drawn, what is the probability that the card is a (a) 7 (b) 7 of heart (c) heart (d) either 7 or heart
1. From a deck of 52 cards (Ace, 2, 3.......10, Jack, Queen, King; with each one having
clubs or flower, spade, heart and diamond). When a card is drawn, what is the
(a) 7 (b) 7 of heart (c) heart (d) either 7 or heart
2. What is the probability of getting a 2 or a 5 when a dice is rolled?
3. Referring to the important health practices advocated by the California study, suppose
that in a senior college class of 500 students its is found that 210 smoke, 258 drink alcoholic
beverages, 216 eat between meals, 122 smoke and drink alcoholic beverages, 83 eat
between meals and drink alcoholic beverages, 97 smoke and eat between meals, and 52
engage in all three of these bad health practices. If a member of this sneer class is selected
at random, find the probability that the student
a. smoke but does not drink alcoholic beverages;
b. eats between meals and drinks alcoholic beverages but does not smoke;
c. neither smokes nor eats between meals.
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