Class 12 Mathematics Chapter 13 Probability Quiz 15 (25 MCQs)

Quiz Instructions

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1. If the standard deviation of x, y, z is p then the standard deviation of 3x + 5, 3y + 5, 3z + 5 is
2. What is the union of a set?
3. ..... the result of an event
4. If for two events A and B, P(AUB)=1, then A and B are ..... events.
5. A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replacedP(2 whites)
6. You have a standard game die with the numbers 1-6.What is the probability of rolling an even number?Write as a simplified fraction.
7. The probability of an event NOT occurring.
8. A set of one or more outcomes
9. If Cason has 37 waffles from Waffle House what's the probability of him getting more
10. A box contains 19 balls bearing numbers 1, 2, 3, ..... , 19 respectively. A ball is drawn at random from the box. Find the probability that the number on the ball is a prime number .
11. Leroy has six red marbles of the same size in his pocket. He puts his hand into his pocket and, without looking, takes out a blue marble.
12. Dylan made 15 out of 35 free throws.What's his experimental probability as a simplified fraction?
13. Two dice are thrown together. The probability of getting the even number on both dice is
14. Is this binomial experiment? Shuffle a deck of 52 cards. Turn over the top card. Do not replace the card. Repeat the process 5 times. Let x = the card you observe.
15. The probability of drawing one white ball from a bag containing 6 red, 8 black, 10 yellow and 1 green ball is
16. P(A) + P(not A) = 1
17. The probability of it raining today is 30%. What is the compliment of this event?
18. What is the likelihood you choose a number from the numbers 1-10?
19. Jamie is picking a marble from a jar. There are 10 green marbles and 10 yellow marbles. What is the likelihood of Jamie picking a yellow marble?
20. The probability that A speaks truth is 4/5 and that of B speaking truth is 4/7. What is the probability that they agree in stating the same fact?
21. *BONUS* When calculating experimental probability, as more trials are conducted, the experimental probability generally gets closer to the theoretical probability. Eventually, the experimental probability will equal theoretical probability.
22. The ratio of the number of ways an event can occur to the number of possible outcomes.
23. What is the probability of getting a sum 9 from two throws of a dice?
24. Ariana's Office Supply shop sells 2 types of notebooks. Each notebook is offered in red, blue, or yellow. If a notebook is selected at random, how many different possibilities are in the sample space?
25. A list of each possible outcome along with its probability