Conditional Probability

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

• .2
• .2222
• .10
• .5

Consider the following table with information about all of the students taking Statistics at Happy High School.

Find P( Full-time | Male)

• 7/3

• 3/10

• 3/7

• 4/7

P(Pizza|Senior):

• 10/15
• 4/5
• 2/3
• 10/5

Given the following VENN Diagram answer the following

P( B | A )

• .4

• .25

• .5

• .67

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

• .525
• .4627
• .6774
• .3143

What is P(Foreign language | Sport)?

• 14/27
• 7/12
• 23/47
• 37/47

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

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 an AA, given they hold a Visa.

• .0267

• 37.5

• .02

• .3333

What is P(T given J)?

• 79.2%

• 37%

• 70.3%

• 41.7%