Solving Word Problems Involving Probability

In a class, there are 22 boys and 14 girls. What is the probability that the teacher calls a boy during recitation?

• 11/7

• 7/11

• 1/4

• 11/18

Eden visited her grandfather's farm, she saw 18 ducks, 10 pigs, 12 goats, 8 cows and 12 chickens. Her grandfather asked her to choose from these animals, what is the probability that she would chose birds?

• 18/30

• 1/2

• 3/4

• 12/18

Tags

CCSS.7.SP.C.7B

Gerryll has 20 marbles in his pocket such as 5 blue marbles, 8 green marbles, 4 red marbles and 3 white marbles. What is the probability that he will pick blue marble without looking?

• 2/5

• 5/8

• 1/4

• 1/2

Tags

CCSS.7.SP.C.7B

Teacher Samie has written number 1 to 15 in a piece of paper and asked her pupil to draw one from the box. What is the probability that odd number will be drawn?

• 1/15

• 2/3

• 7/8

• 8/15

If each letter in the word HETEROGENOUS was written on card and placed in a bowl, what would be the probability of drawing a consonant?

• 1/3

• 4/8

• 12/4

• 8/12

In Jenny's bag, there are assorted flavored candies consisting of 12 cherries, 10 oranges and 14 grapes. If Jenny randomly pick one and give to her friend, what is the probability that she will pick cherry-flavored candy?

• 1/3

• 12/14

• 12/24

• 1/2

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.3

Erosh flipped a coin for 50 times and it landed on tails 26 times. What was the probability that he flipped the coin on heads?

• 12/25

• 13/25

• 26/50

• 24/26

In a spinning wheel, there are 6 red, 6 orange, 8 yellow, 12 green, 10 violet and 8 blue colors. If Mae spin the wheel, what would be the probability of primary colors occuring?

• 14/25

• 11/25

• 9/25

• 15/25

Dianne has 20 different flowers in the garden. She went and saw 8 Roses, 5 Sunflowers, 3 Daises and the rest are Orchids. What is the probability that she will pick Orchids?

• 1/5

• 4/15

• 1/4

• 3/4

Cheyenne has numbered tiles from 1 to 100 in a container. What is the probability that he will draw prime number without looking?

• 1/2

• 1/3

• 1/4

• 1/5