Probability review 2

You choose a marble at random from a bag containing 12 red, 12 blue, 15 green, 9 yellow and 12 black marbles. Find the probability that it is red.

• 1/5

• 12/60

• 1/4

• 9/60

A bag contains 23 red marbles, 25 green marbles, and 18 blue marbles. You choose a marble at random from the bag. What color marble will you most likely choose?

• Red

• Green

• Blue

• No correct answer - it is all luck.

Tags

CCSS.7.SP.C.5

What is the probability of flipping two fair coins and having them both show tails?

• 1/8

• 1/3

• 1/4

• 1/2

A set of cards includes 24 yellow cards, 18 green cards and 18 blue cards. What is the probability that a card chosen at random is not green?

• 3/10

• 4/10

• 3/5

• 7/10

Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. The first marble is blue and is not replaced. Find the probability of drawing a second marble that is purple. 

• 3/5
• 3/4
• 3/20
• 2/5

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.A.3

CCSS.HSS.CP.B.6

Gregg has 12 cards. Half are black, and half are red. He picks two cards out of the deck without replacement. What is the probability that both cards are red?

• 1/6

• 5/22

• 1/2

• 1/144

Tags

CCSS.HSS.CP.B.8

CCSS.HSS.CP.B.9

What is the probability that a student plays on a sports team given they don't play an instrument? 

• .7273
• .8
• .55
• .2222

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.4

CCSS.HSS.CP.B.6

CCSS.HSS.ID.B.5

What is the probability of spinning an even number? 

• 16 2/3%
• 33 1/3%
• 50%
• 75%

Tags

CCSS.HSS.CP.A.1

What is P(not sport)?

• 24/50
• 26/50
• 3/50
• 23/50

Tags

CCSS.HSS.CP.A.1

P(Pizza|Senior):

• 10/15

• 4/5

• 15/10

• 10/5

Tags

CCSS.HSS.CP.A.4