Alg II Probability Review

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11
• 5/6
• 1/3
• 5

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

The probability of it raining today is 30%.  What is the probability that it will NOT rain?

• 30%
• 70%
• 100%
• 0%

Tags

CCSS.7.SP.C.5

Is the spinner more likely or less likely to land on green than yellow?

• more likely
• less likely

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

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

• .2855
• .6246
• .0922
• .3230

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.6

Mary is a good student. The probability that she studies and passes her test is 3/5. If the probability that she studies is 8/9. What is the probability that she passes given that she studies? 

• 27/40
• 1.48
• .008
• .0593

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.B.6

CCSS.HSS.CP.B.8

What is the probability that a student does play a sport given they do not play an instrument? 

• .2
• .2222
• .10
• .5

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Determine if the events are independent or dependent.

• Independent

• Dependent

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

The weather forecaster predicted it will be 4/5 chance of rain for Monday and 2/3 chance of rain for Tuesday. What is the probability it will rain both days?

• 1/2
• 20/15
• 8/15
• 6/8

P(A)=2/5 P(B)=1/5 P(A and B)=2/25

• Dependent

• Independent