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Homework4a1-2.docx

1. A die is rolled, find the probability that an even number is obtained.

2. Two coins are tossed, find the probability that two heads are obtained. Note: Each coin has two possible outcomes H (heads) and T (Tails).

3. Which of these numbers cannot be a probability? a) -0.00001 b) 0.5 c) 1.001 d) 0 e) 1 f) 20%

4. Two dice are rolled; find the probability that the sum is a) equal to 1 b) equal to 4 c) less than 13

5. A die is rolled and a coin is tossed, find the probability that the die shows an odd number and the coin shows a head.

6. A card is drawn at random from a deck of cards. Find the probability of getting the 3 of diamond.

7. A card is drawn at random from a deck of cards. Find the probability of getting a queen.

8. A jar contains 3 red marbles, 7 green marbles and 10 white marbles. If a marble is drawn from the jar at random, what is the probability that this marble is white?

9. The blood groups of 200 people are distributed as follows: 50 have type A blood, 65 have B blood type, 70 have O blood type and 15 have type AB blood. If a person from this group is selected at random, what is the probability that this person has O blood type?

10 A die is rolled and a coin is tossed, find the probability that the die shows an odd number and the coin shows a head.