Compound/Conditional Probability

If you spin twice, what is the probability the spinner stops on a shaded then striped number?

• 40%
• 50%
• 12%
• 25%

• 3/4
• 1/2
• 1/8
• 1/16

• 1/2
• 1/4
• 3/8
• 3/16

In a box there are 3 red pens, 2 green pens, and 1 blue pen. What is the probability of picking a red pen, replacing it, and then picking a green pen?

• 1/2
• 4/11
• 1/6
• 2/3

Tags

CCSS.HSS.CP.B.7

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

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

• .2
• .2222
• .10
• .5

Tags

CCSS.HSS.CP.A.4

P(Sandals|Pants):

• 4/20
• 6/15
• 1/2
• 2/7

Tags

CCSS.HSS.CP.A.4

P(Pizza|Senior):

• 10/15
• 4/5
• 2/3
• 10/5

Tags

CCSS.HSS.CP.A.4

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.B.6

What percentage of males drive sports cars?

• 35%
• 16.25%
• 65%
• 25%