Conditional Probability with Two-Way Tables

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

• .7273

• .4

• .16

• .22

Chelsea surveyed a sample of students in the senior class to determine the distribution of students with a driver’s license.

Given that a student has a permit, what is the probability the student is female?

• 15/29

• 33/59

• 15/60

• 15/120

P(Sandals|Pants):

• 4/20

• 6/15

• 1/2

• 2/7

According to the two-way table, a person who plays an instrument is most likely to:

• Not play an instrument

• Not play a team sport

• Play a team sport

• All of the above

Given that the grade is a B, what is the probability of the student being male?

• 6/15

• 9/15

• 6/56

• 9/44

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

• .525

• .4627

• .6774

• .3143

P(Pizza|Senior):

• 10/15

• 4/5

• 2/3

• 10/5

Given the employee is an inspector, what is the probability the employee is male?

• 2/6

• 2/33

• 2/67

• 2/100

A survey explored the relationship between gender and band class. Which is a reasonable conclusion?

• There are more band members than non-band members

• There are more boys in the class than girls

• There are more boys in band than not in band

• More than half of the bands members in the class are girls

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

• .02

• 37.5

• .3333