Probability Practice

Experimental Probability is:

• What Will happen 
• What actually happens
• What should happen
• What I think Happens

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

Theoretical Probability is?

• What Should happen
• What does happen
• What Will Happen
• What I want to Happen

Tags

CCSS.7.SP.C.5

Emily will randomly select one card from the deck, not replace it, and then randomly select a 2nd card. What is the probability that she will select a blue and then a red? Write your answer as a percent.

• 3%

• 18%

• 2.88%

Billy bought a bag of Starbursts to share with his friends. Billy reaches in the bag and gets a yellow one. He doesn't like it so he gives it to his friend. Billy reaches in a second time and pulls out a red one. Is this an independent or dependent event?

• Independent

• Dependent

Tags

CCSS.HSS.CP.A.5

You have a bag of 60 jelly beans. 25 are blue. What is the probability of pulling out a color other than blue? Write your answer as a simplified fraction.

• 7/12

• 5/12

• 1/6

• 5/6

Joe flips a coin and rolls a dice at the same time. Is this an independent or dependent event?

• Independent

• Dependent

Tags

CCSS.HSS.CP.A.5

Fred has random letters in a bag: S, C, A, F, J, U, E

What is the probability that Fred will pull a vowel, replace it, and then pick a vowel again? Write your answer as a percent.

• 32.6%

• 18.4%

• 21.4%

You flip a nickel three times.
Find the probability that all flips will land on tails.

• 1/2
• 1/4
• 1/6
• 1/8

A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?

• 1/9
• 2/9
• 5/21
• 10/21

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

You roll two die.
What is the probability you will roll a 4, then roll a number less than 3?

• 1/36
• 1/18
• 1/9
• 1/6

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8