Exploring Probability for Predictions

If there are 40 jelly beans and 5 are black, what's the probability of drawing a black jelly bean?

• 5/40

• 1/5

• 10/80

• 1/8

Tags

CCSS.7.SP.C.7B

If the probability of drawing a black jelly bean is 5/40, what fraction represents this probability simplified?

• 1/5

• 1/10

• 1/8

• 2/5

Predict the number of black jelly beans in a bag of 80, given the initial ratio.

• 25

• 10

• 15

• 20

Tags

CCSS.7.SP.C.6

How many black jelly beans would you expect in a bag of 160?

• 20

• 15

• 25

• 10

Tags

CCSS.7.SP.C.6

For every 8 apples George picks, 1 has a worm. How many would have worms out of 64 apples?

• 4

• 8

• 12

• 16

Tags

CCSS.6.RP.A.3B

If George picks 80 apples, how many should he expect to have worms?

• 8

• 10

• 12

• 14

Tags

CCSS.7.SP.C.6

What decimal represents the probability of finding a worm in an apple in George's experiment?

• 0.05

• 0.125

• 0.25

• 0.1

Tags

CCSS.7.SP.C.6

What is the experimental probability of a green car passing by Kyra's house?

• 1/5

• 1/6

• 1/4

• 1/7

Tags

CCSS.7.SP.C.6

If 20% of the cars that drove by were green, what's the probability the next car will be green?

• 25%

• 10%

• 20%

• 15%

Tags

CCSS.7.SP.C.6

Based on Kyra's observation, how many green cars would you expect if 100 cars drove by?

• 10

• 15

• 20

• 25

Tags

CCSS.7.SP.C.6