Experimental and Theoretical Probability

Sara has a bag of coins. The bag contains 8 quarters, 10 dimes, 4 nickels, and 2 pennies. She will randomly select a coin from the bag. What is he probability that Sara will select a nickel?

• 1/12

• 1/3

• 1/6

• 1/5

Tags

CCSS.7.SP.C.7B

Sophie surveyed students about their favorite music. He results are shown in table

Based on the data in the table, what is the probability that a randomly selected student prefer hip hop music?

• 7/30

• 1/3

• 2/3

• 23/30

Tags

CCSS.7.SP.C.7B

The spinner shown is divided into congruent sections labeled 1 through 8.

If the spinner is spun twice, what is the probability that the arrow will land on 1 and then on 8?

• 1/8

• 1/4

• 1/64

• 1/32

A classroom is arranged with 8 seats in the first row, 10 seats in he middle row, and 12 seats in the back row. The teacher randomly assigned seats to parents as they enter the classroom.

What is the probability that the first parents who enters the classroom will be assigned a seat in the second row?

• 2/5

• 1/3

• 4/11

• 4/15

Tags

CCSS.HSS.MD.B.6

CCSS.HSS.MD.B.7

A number cube with face labeled from 1 to 6 was rolled 20 times. Each times he number cube was rolled, the number showing on the top face was recorded. The table shows the results.

Based on the results, what is the experimental probability that the next time it will land with 2 or 4 showing on the top face?

• 1/3

• 2/5

• 9/20

• 3/5

Tags

CCSS.7.SP.C.6

Gabriel has these cans of soup in his kitchen cabinet.

Gabriel will randomly choose one can of soup. Then he will put it back and randomly choose another can of soup. What is he probability that he will choose a can of tomato soup and then a can of cheese soup?

• 2/5

• 2/45

• 1/25

• 1/5

Mildred has a bag of coins. The bag contains 10 dimes, 5 nickels, and 1 penny. She will randomly select 2 coins from the bag one at a time without replacement. What is the probability that Mildred will select a dime first and then a penny?

• 83/120

• 11/16

• 5/128

• 1/24

Roberto will randomly choose 1 book to read. What is the probability that he will choose an mystery book?

• 1/3

• 1/18

• 1/5

• 1/6

Tags

CCSS.7.SP.C.7B