Class 11 Mathematics Chapter 16 Probability Quiz 4 (25 MCQs)

Quiz Instructions

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1. The probability that at least one of the events Q and R occur is 0.6. If Q and R have probability of occuring together as 0.2, thenP(Q') + P(R') =?
2. What is the probability that you choose blue? simplify your fraction5 green6 yellow8 blue7 brown
3. A bag contains 8 red, 5 blue, and 7 green marbles. What is the probability of drawing a red or green marble?
4. Dalam sebuah kotak terdapat 5 bola merah, 7 bola putih, dan 4 bola hijau. Diambil dua bola sekaligus. Jika pengambilan dilakukan sebanyak 600 kali dengan pengembalian, frekuensi harapan terambil bola kedua-duanya hijau adalah .....
5. When you roll a die with numbers 1 to 6, what is the chance that you will get an even number?
6. A study recorded the number of students in five classrooms:12, 18, 20, 15, 25. What is the median?
7. A result of an event that depends on the probability
8. A coin is tossed six times. What is the probability that all results are tails?
9. What is the probability of drawing a heart from a standard deck of cards?
10. The probability that a student plays basketball is 0.64. The probability that a student likes pizza is 0.35. What is the probability that a student selected at random plays basketball and likes pizza? Assume that the two events are independent.
11. There are 23 marbles, each a different color in a bag. One of them is pink. What is the probability of reaching in to the bag, without looking, and selecting a pink marble?
12. A fair cube is rolled and lands on 2.
13. A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced. P(purple then black)
14. A restaurant surveys customer orders with the following results:8 pizzas, 12 hamburgers, 4 Chicken fingers, and 6 steaks. What is the experimental probability of pizza being chose?P(Pizza)
15. A number is selected at random from first 50 natural numbers. Then the probability that it is a multiple of 3 and 4 is:
16. A jar contains 6 green, 4 yellow, and 5 orange marbles. What is the probability of drawing a green or orange marble?
17. The ..... includes all possible outcomes. The total is 100% of outcomes.
18. Solve:6x + 4 = 2(x + 10)
19. On a bag there are 4 colored notebooks, does were Pink, Red, Blue, Green.What is the probability of grabbing the Pink notebook?
20. A number is randomly selected from 0-10. What is the probability the number selected is greater than 5?
21. The cafeteria is serving three kinds of sandwiches:tuna (T), chicken, (C), and peanut butter (P). They are also serving a choice of two drinks:milk (M) or water (W). Which shows the CORRECT Sample Space List of possible combinations?
22. A schematic drawing of sets that demonstrates the relationship between two sets is called
23. Probability of solving specific problem independently by A and B are $\frac{1}{2}$ $\frac{1}{3}$
24. A school has five houses, A B, C, D and E. A class has 23 students, 4 from house A, 8 from house B, 5 from house C, 2 from house D and rest from house E. A single student is selected at random to be the class monitor. The probability that the selected student is not from A, B and C is
25. Sample space is denoted by .....