Class 12 Mathematics Chapter 13 Probability Quiz 22 (25 MCQs)

Quiz Instructions

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1. The probability that it will rain tomorrow is 0.85. What is the probability that it will not rain tomorrow?
2. A set is a
3. Deon has 7 white chips, 5 red chips, and 8 blue chips in a bag. Without looking, Deon pulls a chip out, records the color, and puts it back in the bag. He does this 200 times. About how many times could Deon expect to pull out a blue chip?
4. Which of the following scenarios does not have 144 different combinations?
5. You spin a spinner with 4 equal sections labeled a, b, c, and d. Describe the likelihood of landing on any section.
6. Out of 300 students in a school, 95 play cricket only, 120 play football only, 80 play volleyball only and 5 play no games. If one student is chosen at random, find the probability that(ii) he plays either cricket or volleyball
7. You roll a 6 sided dice 6 times and get this data:first-3 second-5 third-3 fourth-2 fifth-3 sixth-5. Which number did you roll the LEAST?
8. Which of the following has a certain likelihood of occurring?
9. A bag contains 8 red marbles and 7 green marbles. What is the probability of getting a green ball?
10. A bag contains 4 red, 5 black and 6 white balls. A ball is drawn from the bag at random. Find the probability that the ball drawn is:(iii) not black
11. A sports bag contains 3 tennis balls, 4 baseballs, and 8 golf balls. Each is equally likely to be chosen. Which of the following models could be used to simulate this situation?
12. A bag contains 4 red, 5 black and 6 white balls. A ball is drawn from the bag at random. Find the probability that the ball drawn is:(ii) red
13. A biased Die is thrown 30 times and the number of Sixes seen is 8. If the die is thrown a further 12 times find the probability that a six will occur exactly twice
14. Noah has a fair 12-sided number cube with one of the numbers from 1 to 12 on each face. If he rolls the cube 156 times, how many times should Noah roll a prime number?
15. A coin purse contains:-8 quarters-6 dimes-4 pennies-12 nickelsA coin will be drawn from the coin purse and replaced. What is the probability the coin selected will NOT be a nickel?
16. A bag contains 4 red, 5 black and 6 white balls. A ball is drawn from the bag at random. Find the probability that the ball drawn is:(iv) red or white.
17. Give the likelihood of each event.There is an 80% chance of rain.
18. If the probability of drawing a short straw is 3/10 and there are 100 straws in all, how many short straws must there be?
19. ..... probability is what you predict will happen.
20. A committee of three is to be chosen from a group of 3 men and 4 women.The probability of all the three being women is
21. The two mutually exclusive outcomes in a Bernoulli trial are usually called:
22. Two balls are drawn from a bag containing 5 white and 7 black balls at random. What is the probability that both are of different colors?
23. A letter is randomly chosen from the word MERCY. What is the probability that it will be a vowel?
24. An event with a probability of impossible would be .....
25. Nosipho has ten marbles of the same size in her pocket, 6 white and 4 red marbles. She takes out a white marble when she puts her hand in her pocket without looking.