Probability Test Questions In Math

1. Of 5 men and 4 women will be selected 3 man and 3 women. The number of ways to choose is ....

a. 60

b. 40

c. 24

d. 20

e. 18

2. The number of motorcycles that use the police number with the order of numbers 1, 2, 3, 4 and 5 and consisting of five numbers without repeating is ...

a. 40

b. 60

c. 120

d. 240

e. 400

3. The n value that fills n!/(n-1)! is ...

a. 2

b. 3

c. 4

d. 5

e. 6

4. A meeting followed by 7 people sitting around a round table. The many ways to sit are ...

a. 270

b. 460

c. 720

d. 4,050

e. 5,040

5. The tribe coefficient containing x⁵ of (x + y)⁸ is ...

a. 20

b. 28

c. 56

d. 64

e. 128

6. A bag containing 7 red cans and 5 cans of yellow marbles. From the bag were taken 3 marbles at once randomly. The number of ways taken 2 red marbles and 1 yellow marbles is ...

a. 103

b. 104

c. 105

d. 106

e. 108

7. If the chance of occurrence of rain within 30 days is 17/30 then the chance of the incident not to rain within 30 days is ...

a. 12/30

b. 13/30

c. 14/30

d. 15/30

e. 16/30

8. On the throwing of two dice once, the chance of the emergence of the eye dice totaling 8 or 5 is ...

a. 5/19

b. 1/4

c. 5/26

d. 1/9

e. 2/9

9. Three coins thrown together. If A is an event appearing exactly two numbers, then P(A) is ...

a. 3/4

b. 1/8

c. 2/8

d. 3/8

e. 5/8

10. Two dice thrown together. Opportunity emergence of first dice 3 and the second dice 5 is ...

a. 6/36

b. 5/36

c. 4/36

d. 3/36

e. 1/36

11. Two dice thrown together. Opportunities for the emergence of the number of 9 or 10 dice are ...

a. 5/36

b. 7/36

c. 6/36

d. 9/36

e. 11/36

12. Box contains 5 pieces of red balls and 3 pieces of yellow balls. The second box contains 2 red balls and 6 yellow balls. From each box a ball is drawn randomly. The chances of drawing the same colored balls are ...

a. 1/8

b. 5/16

c. 7/16

d. 9/16

e. 7/8

13. From a set of bridge cards randomly picked up one card. Unsuccessful opportunities for non-As cards are:

a. 1/52

b. 1/13

c. 5/52

d. 3/13

e. 48/52

14. In the experiment of throwing a dice as much as 600 times, the expected frequency of the emergence of primes is ...

a. 250

b. 300

c. 325

d. 450

e. 500

15. If _nC₄ = _nC₃ is applied then the value of n is ...

a. 9

b. 12

c. 15

d. 27

e. 35

16. On a pole tied the flags of 4 pieces are red, 2 are blue, and 2 are green. Setting the order has a different meaning. The number of possible arrangements is ...

a. 70

b. 90

c. 240

d. 280

e. 420

17. Of the 10 participants of mathematics mathematics nominations will be selected 3 best nomination at random. The number of options that can be done is ...

a. 10

b. 20

c. 40

d. 120

e. 720

18. In a meeting there were 30 people and shaking hands. The number of handshakes that occur is ...

a. 435

b. 455

c. 870

d. 875

e. 885

19. A bag containing 6 red balls, 4 white balls, and 8 blue balls. If 3 balls are drawn at random, chances are 2 white balls and 1 red ball is ...