Conditional Probability

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? 

• 0.675

• 1.48
• 0.008

• 0.0593

Tags

CCSS.HSS.CP.B.6

What is the probability that the person picked will be a boy given they speak german? 

• .7273
• .4
• .16
• .22

Tags

CCSS.HSS.CP.A.4

What is the probability that they speak French given they are a girl? 

• 2.14
• .24
• .4
• .8571

Tags

CCSS.HSS.CP.A.4

What is the probability that a female is chose given they like a Toyota? 

• .525
• .4627
• .6774
• .3143

Tags

CCSS.HSS.CP.A.4

A new credit card has been issued to 2000 customers. Of these customers, 1500 hold a Visa, 500 hold an AA card, and 40 hold a Visa and AA card. Find the probability that a random chosen customer holds a Visa and AA card, given they hold a Visa. 

• .0267
• 37.5
• .02
• .3333

Tags

CCSS.HSS.CP.B.6

P(Sandals|Pants):

• 1/5

• 2/5

• 1/2
• 2/7

Tags

CCSS.HSS.CP.A.4

What is the probability that a randomly selected student does not do community service if they do not play sports?

Tags

CCSS.HSS.CP.A.4

• What is the probability of a student who does community service and does not play sports?

• What is the probability of a student who does community service given that they do not play sports?

• What is the probability of a student who does not play sports given that they do not do community service?

• What is the probability of a student who does not play sports or does not do community service?

Tags

CCSS.HSS.CP.A.4

A science teacher gave her class two tests. 25% of the class passed both tests and 42% of the class passed the first test. What percent of those who passed the first test also passed the second?

• 59.5%

• 10.5%

• 1.6%

• Not enough information

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.5

45% total of the children in a school have a dog, 30% total have a cat, and 18% have a dog and cat. What percent of those who have a cat also have a dog?

• 60%

• 40%

• 24%

• 1.7%

Tags

CCSS.HSS.CP.B.6