Class 12 Mathematics Chapter 13 Probability Quiz 10 (25 MCQs)

Quiz Instructions

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1. A ..... consists of 2 or more events.
2. What will be the probability of getting odd numbers if a dice is thrown?
3. There are 6 yellow cards, 4 blue cards, and 10 green cards in a bag. A card is chosen at random. What is the probability of choosing a blue or green card?
4. A random selection will be made from a bag containing different colored disks. Of the 25 disks in the bag, 5 are yellow. It is ..... that a yellow disk will be randomly selected from the bag.
5. Roll the Dice:What is the probability of rolling a number greater than 2?
6. Find the probability of not rolling a sum of 11 on both the dices.
7. Which of these cannot be considered a probability of an outcome?
8. Impossible means .....
9. In a game the player wins if he rolls a 4 on a number cube. If the number cube is rolled 24 times, then what is a reasonable prediction for the number of unsuccessful rolls?
10. Victor picks a card at random. Without putting the first card back, he picks a second card at random.
11. 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?
12. One or a group of possible outcomes for a given situation
13. Two dice are thrown together. The probability of getting the odd number on both dice is
14. Which of the following describes theoretical probability?
15. The number of ways an event can occur divided by the total number of outcomes is known as-
16. The blood groups of 200 people is 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?
17. A bag of candy contains 2 packs of Skittles, 4 Twizzlers, and 10 Reese's cups. What is the probability of reaching into the bag and choosing either a pack of Skittles or a Reese cup?
18. You roll a standard number cube once. Find P(greater than than 7)
19. Which percent is equivalent to 3/10?
20. A box contains cards numbered 6 to 50. The probability that the drawn card has a number which is a perfect square is
21. Ben has two marbles of the same size in his pocket, a green one and a red one. He puts his hand into his pocket and, without looking, takes out a red marble.
22. Probability ranges from 0 (impossible) to 1 (certain).
23. Mrs. Trevino has 3 red pens, 5 pink pens, and 8 blue pens. What is the probability that she will choose a blue pen to grade papers?
24. Draw a tree diagram on a separate sheet of paper. Then answer this question. A girls' choir is choosing a uniform for their concert. They can pick red, green, or purple sweaters, and they can pick tan, white, or black skirts. The shoes they need come in gold and black. Assuming all the colors go together, how many different combinations can the choir pick?
25. What is the probability of getting 4 on a die?