Class 11 Mathematics Chapter 16 Probability Quiz 27 (25 MCQs)

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1. A number cube is rolled. What is the probability of rolling a number that is not 3?The probability of not getting a 3 on a 6 sided dice is 5/6.After rolling the dice, I got the number 4, thus that was the result.what was the outcome of the experiment?
2. Di atas meja terdapat dua set kartu. Setiap set kartu terdiri atas 52 lembar dengan empat warna berbeda (merah, kuning, hijau, dan biru). Masing-masing warna terdiri atas 13 kartu bernomor 1 sampai dengan 13. Satu kartu akan diambil secara acak dari dua set kartu tersebut. Peluang terambil kartu berwarna merah atau bernomor 13 adalah .....
3. Jo can finish a certain work in 5 days, while Jill can finish the same work in 7 days. Working together, how many days will it take them to complete the job?
4. In Mathematics, the likelihood of two independent events occurring is called .....
5. Jim has 2 blue, 2 green, and 2 black socks. He picks out 2 socks, one after another. Determine the probability of him getting a matching pair of blue socks. Are these independent or dependent events?
6. Diketahui fungsi-fungsi f:R $\rightarrow$ R dan g:R $\rightarrow$ R masing-masing ditentukan dengan rumus f(x) = 2x + 1 dan g(x) = x-2. Tentukan (f o g)(x) = .....
7. Diketahui fungsi-fungsi f, g dan h masing-masing ditentukan dengan rumus $f(x) = 3x^3-2x^2 + 4x-5$ $g(x) = x^2-5x + 6$ $h(x) = x-2$ $(g . h)(x) = ..... $
8. On a 6-sided die, which is more likely?
9. What is the center and radius of a circle with the equation $(x+5)^2+(y-7)^2=49$
10. Celine flipped a coin 100 times. She flipped heads 41 times and tails 59 times. What is the experimental probability that the next flip will be heads?
11. What is the perimeter of a regular hexagon if each of its sides is two centimeters (cm) in length?
12. A fair 8-sided die is rolled.a) List the sample space.
13. Find the sale price of a $ 80 item after a 20% discount. The sale price is $ .....
14. Calculate 10% of 80
15. A recent study of 200 nurses found that of 125 female nurses, 56 had bachelor's degrees:and of 75 male nurses, 34 had bachelor's degrees. If a nurse is selected at random, find the probability that the nurse selected is a male nurse with a bachelor's degree.
16. Mrs. Elder has a box containing 6 cracker, 3 peppermints, 6 bubble gums, and 3 licorice sticks. If she randomly chooses one piece from the box, what is the probability that she will grab a cracker or a peppermint?
17. In a class, there are 16 boys and some girls. A pupil is chosen at random from the class. The probability of choosing a boy is 2/3.Find the number of girls in the class.
18. A dice is rolled 50 times. It lands on six 37 times. What is the experimental probability of the dice landing on six?
19. Sample Space
20. Chance
21. Which of the following is an example of an independent events?
22. Eight cards labelled with the letters "T, H, U, R, S, D, A, Y" are put in a box. A card is chosen at random from the box. Calculate the probability that the card chosen is labelled with a vowel or letter "R" .
23. Are traits that fade into the background and only show if not with a "stronger" trait (represented with little letters; ex. Bb)
24. There are five digits number; 1, 2, 4, 6, 7 and 10. What is the probability that the number is an odd number?
25. To determine the most popular children's programs, a television station asks parents to call in and complete a phone survey.