Class 11 Mathematics Chapter 16 Probability Quiz 10 (25 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. A box contains 18 blue flashlights, 3 red flashlights, 7 silver flashlights, and 2 black flashlights. The flashlights are identical in size and shape. If one flashlight is chosen at random, what is the probability that the flashlight will be either blue or black?
2. In a class of 30 students, 18 play football and 10 play basketball. 5 students play both sports. What is the probability that a student chosen at random plays neither sport?
3. Which of the following probabilities would you say is "very likely" ?
4. A simple event event can have multiple possible outcomes
5. In a random survey of 50 students at Great Middle School, 32 said chocolate was their favorite flavor of yogurt. The school has 450 students. How many of them are likely to select chocolate as their favorite flavor?
6. If I flip a coin 10 times, what is the probability of getting heads?
7. A six-sided dice is rolled and lands on an even number.
8. The probability based on frequency of outcomes during an experiment
9. If a six-sided die is rolled, what is the probability that it will land on an odd number?
10. A situation involving doing the activity that leads to results or outcomes.
11. The probability of winning a game is 25%. How many times should you expect to win if you play 80 games?
12. Juan is making soup for lunch, he reaches into the cabinet and selects a can of soup at random. Below is the list of soups Juan found in the cabinet.3 tomato soup cans2 chicken noodle soup cans4 vegetable soup cans1 cream of broccoli soup canWhat is the probability that Juan will select tomato soup for lunch today?
13. Given P(A) = 0.5 and P(B) = 0.3. If A and B are mutually exclusive events, then P(neither A nor B) =?
14. A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon? (Make sure to reduce)
15. There are 15 pieces of fruit in a basket, including 3 oranges. What is the probability that a randomly selected piece of fruit will be an orange?
16. A box contains 2 red, 4 green, 5 blue and 3 yellow marbles. If a single random marble is chosen from the box, what is the probability that it is red or green marble?
17. Diketahui fungsi-fungsi f:R $\rightarrow$ R dan g:R $\rightarrow$ R masing-masing ditentukan dengan rumus $f(x) = 2x-3$ $g(x) = x^2-3x + 1$ $(g o f)(x) = ..... $
18. What is the probability of rolling a 5 on a standard die?
19. Melissa rolled a number cube that has sides labeled 1 to 6. What is the probability that she rolled a 2 or a 3?
20. On a mathematics test, 5 out of 20 students got an A. If three students are chosen at random without replacement, what is the probability that all three got an A on the test?
21. It is a branch of mathematics that deals with the occurrence of a random event.
22. The probability of an event is 8/9. What's the probability of the complement to this event?
23. A probability of 1/2 is said to be what
24. A mathematics game uses a set of 36 cards. There are 3 cards for each of the numerals 0-9 and 6 wild cards. If the cards are shuffled, what is the probability that the top card is a wild card?
25. What is the probability of choosing the letteri from the word probability?