Class 11 Mathematics Chapter 16 Probability Quiz 9 (25 MCQs)

Quiz Instructions

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1. 6$_{*}$7=7$_{*}$6
2. Berapa banyak susunan yang terdiri atas 4 huruf yang di ambil dari huruf-huruf R, E, D, A, K, S, I
3. 16 names were placed into a hat-7 boys and 9 girls. Names are drawn randomly and not placed back. What is the probability that the first name was a boy and the second was a girl?
4. Which probability assigning technique is not based on mathematics but its importance in decision making cannot be ignored?
5. The letters that form the word ALGEBRA are placed in a bowl. Craig says the probability of choosing an 'a' is 2/7, is this experimental or theoretical probability?
6. The chance that something will happen.
7. Simplify:3a-4b-a + 2b
8. P(10, 6) =?
9. A small veterinary practice currently has 95 patients that they see regularly. Twelve of the animals are birds, 22 are cats, and 61 are dogs. An emergency call comes into the office, what is the probability that the animal that needs to be seen is a cat or a dog?
10. Two dice are thrown at the same time and the product of the numbers appearing on them is noted. Find the probability that the product is less than 9.
11. In Probability, a collection that is universal but not part of the original set is called .....
12. What is the probability of drawing a face card from a standard deck of cards?
13. Solve using combinationsHow many different ways can you invite four of your seven friends to the movies?
14. One ticket is selected at random from 100 tickets numbered 0.0, 01, 02, ..... , 99. Suppose x is the sum of digits and y is the product of digits, then probability that x = 9 and y = 0 is
15. A probability of 0 is said to be what
16. Determine whether the event is impossible, unlikely, equally likely, likely, or certain. You flip a fair coin and the coin will land heads up.
17. A probability between 1/2 and 1 is said to be what
18. Diketahui fungsi-fungsi f:R $\rightarrow$ R dan g:R $\rightarrow$ R masing-masing ditentukan dengan rumus $f(x) = 2x-3$ $g(x) = x^2-3x + 1$ $(f o g)(x) = ..... $
19. Mrs. Cole has to choose two pieces of fruit for her lunch. If she randomly takes two pieces of fruit from a bowl of 8 oranges and 8 apples, what is the probability she will choose two apples? (Mrs. Cole does not put back the first piece of fruit before she takes the second piece of fruit)P(apple, apple)
20. When does the outcome of one event does not influence the outcome of the other event?
21. What do we call a series of actions where the outcomes are always uncertain?
22. If you pick a card once from a deck of cards with 13 spades, 13, flowers, 13 hearts, and 13 diamonds, what is the chance that you will pick a diamond?
23. In a class of 30 students, 3 were late. What is the probability that I randomly pick a student that was on time?
24. A fair dice with four faces is labelled "1, 2, 3, 4" . The dice is rolled twice and the numbers that the dice lands on are recorded. By listing all the possible outcomes, calculate the probability of getting two odd numbers.
25. Which of the following is not a probability assigning technique