Probability Worksheet-3

Probability Worksheet-3

1. A bag contains 10 red marbles, 4 yellow marbles, 3 blue marbles and 1 green marble. All of the marbles are of same size and weight. What is the probability of drawing red marble?

(a) Most likely                               (b) Likely

(c) Least likely                               (d) Impossible

2. All the sectors on the spinner below are same size. If the spinner is spun once what is the probability that the arrow will land on letter "D"?

(a)                   (b)                   (c)                    (d)

3. Tarun has a set of 12 cards with six 2's and six 4's. If he draws a card, how likely is it that he will randomly draw a 4?

(a) Equally likely                          (b) Most likely

(c) Unlikely                                    (d) Least likely

4. Find the number of combinations possible with one food choice and one juice choice?

Food Choices   -   Fruit Choices

Pizza                       -   Apple

Corndog                 -   Organce

Salad                      -   Peach

Burger

(a) 14                  (b) 16                  (c) 12                  (d) 10

5. Out of 20 questions Jaya has answered 15 questions correctly. What is the experimental probability of answering the next question correctly by her?

(a)                    (b)                    (c)                    (d)

6. Jay tossed a coin and spins the spinner at right. How many possible outcomes will he get?

(a)  18                 (b) 15                  (c) 16                  (d) 12

7. What is the probability of landing on even no. on the given spinner?

(a)                    (b)                   (c)                    (d)

8. A box contains 20 blue blocks and 15 yellow blocks. How likely is that you will pull a red block from the box?

(a)  Impossible                              (b) Least likely

(c) Most likely                               (d) Equally likely

9. Tez hit the bull's eye 5 times out of 20 throws, while playing darts. What is the experimental probability that he will hit the bull's eye on his next try?

(a)                    (b)                    (c)                    (d)

10. Reena rolls a 1 to 6 number cube and spins a spinner with 3 sections colored Red Green and Blue. How many outcomes are possible in the sample space?

(a) 14                  (b) 16                  (c) 28                  (d) 18

Answer Key:

1. (a)
2. (d)
3. (a)
4. (c)
5. (a)
6. (d)
7. (d)
8. (a)
9. (d)
10. (d)