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

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.

4. A table is given below showing how people in a certain locality have been classified:

Employed |Unemployed Total Male 460 40 500 Female 140 260 400 Total 600 300 900