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?
