7th Grade Probability Unit Test

A bag contains 7 blue marbles and 7 green marbles.  Which shows the likelihood of choosing a blue marble?

• Impossible 
• Unlikely
• Equally Likely
• Certain

Tags

CCSS.7.SP.C.5

Jared places five cards that are labeled 1 to 5 face down on the table and mixes them up.  What is the likelihood that his friend Logan will draw an even-numbered card?

• Impossible 
• Unlikely
• As likely as not
• Certain

Tags

CCSS.7.SP.C.5

The results of a survey show that soccer is the favorite sport for 32 out of 50 people.  Which percent is closest to the experimental probability that a person's favorite sport will be soccer?

• 18%
• 32%
• 36%
• 64%

Tags

CCSS.7.SP.C.6

During his first 20 picks from a bag of marbles, Aren chose 5 yellow marbles, 8 green marbles, and 7 blue marbles. Which percent is closest to the experimental probability that Aren will choose a green marble on his next pick?

• 25%
• 35%
• 40%
• 60%

Tags

CCSS.7.SP.C.6

Sade rolls a number cube and spins a spinner with three equal sections.  How many outcomes are possible?  

• 3
• 6
• 9
• 18

Amin's sandwich shop offers a lunch special on sandwiches on white, rye, and whole wheat breads. You can also choose between roast beef, ham, and chicken.  How many different sandwiches can you make for the lunch special?  

• 1
• 3
• 6
• 9

Two number cubes are rolled an the results are added.  What is the probability that the sum is equal to 12?

• 1/36
• 1/12
• 5/36
• 1/3

Sarah spins a spinner that is split into 10 equal sections.  The sections are labeled 3,1,2,3,2,3,1,2,3,3.  What is the probability that the spinner will land on the number 1?  

• 1/10
• 1/5
• 3/10
• 1/2

Tags

CCSS.7.SP.C.7B

A bag contains 3 red marbles and 2 yellow marbles.  What is the probability of drawing a red marble, then drawing a red marble again after replacing the first marble?  hint: multiply

• 6/25
• 3/10
• 9/25
• 3/5

Chase rolls a number cube and then chooses a card from a set of cards numbered 1 through 5.  What is the probability that he will roll an even number and choose an odd-numbered card? 

• 1/5
• 3/10
• 3/5
• 1/2

Tags

CCSS.HSS.CP.B.7