7.1 and 7.2 Probability Review

A bag has 3 red, 5 blue, and 2 yellow pieces of candy.

What is the probability of drawing a blue piece of candy?

• 3/10

• 1/3

• 1/2

• 1/10

Tags

CCSS.7.SP.C.7B

A regular deck of cards contains 52 cards, 2 of which are black 8's.

Assuming the cards are dealt randomly, what is the probability that the first card dealt will be a black eight?

• 1/13

• 1/52

• 1/26

• 2/13

Tags

CCSS.7.SP.C.7B

What is the probability Molly will pick a red marble?

• 11/40

• 3/20

• 3/16

• 9/40

Tags

CCSS.7.SP.C.7B

Sara drew a number from the number tiles.

What is the probability Sara drew an even number?

• 100%

• 25%

• 50%

• 75%

Tags

CCSS.7.SP.C.7A

Billy picks one card at a time from a bag and replaces it.

He repeats this process 12 times and records the results in the table.

Based on the table, which letter has an experimental probability of 1/3 for being drawn from the bag next?

• Letter C

• Letter D

• Letter A

• Letter B

Tags

CCSS.7.SP.C.6

In Mr. Brown's classroom, 40% of the students are boys.

If Mr. Brown chooses a student to answer a question in his classroom, what is the probability that the student he chooses is a boy?

• 3/5

• 1/2

• 2/3

• 2/5

Tags

CCSS.7.SP.C.7B

This spinner has 8 sections of equal size.

The arrow of this spinner was spun 24 times and landed on the letter B four times.

What is the experimental probability the arrow will land on the letter B?

• 1/24

• 1/6

• 1/2

• 1/8

Tags

CCSS.7.SP.C.6

A standard coin has 2 sides.

One side is heads and one side is tails.

A coin is tossed 75 times.

If the coin lands on heads 35 times, what is the experimental probability?

• 3/5

• 1/2

• 9/15

• 7/15

Tags

CCSS.7.SP.C.6

You have a bag containing 30 pieces of candy.

In the bag you find 12 pieces of gum, 7 jolly ranchers, 5 fireballs, and 6 milk duds.

What is the probability of drawing out a fireball?

• 1/5
• 2/5
• 7/30
• 1/6

Tags

CCSS.7.SP.C.7B

A spinner has 5 sections of equal size labeled P, Q, R, S, and T.

The arrow of this spinner was spun 15 times and landed 4 times on the section labeled Q.

The Theoretical Probability of this event is -> ​ (a)  

The Experimental Probability of this event is -> ​ (b)  

• 1/5
• 4/15