2.3 Conditional Probability Practice

Multiple Choice

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

• .525
• .4627
• .6774
• .3143

Multiple Choice

P(Sandals|Pants):

• 4/20
• 6/15
• 1/2
• 2/7

Multiple Choice

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

Multiple Choice

P(Pizza|Senior):

• 10/15
• 4/5
• 2/3
• 10/5

Multiple Choice

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

P( Male | Full-time)

• 28/71

• 3/7

• 12/71

• 3/10

Multiple Choice

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

Multiple Choice

Which of these values below is a marginal frequency?

• 182

• 120

• 46

• 10

Multiple Choice

Which of the values below is a joint frequency?

• 400

• 200

• 182

• 4

Multiple Choice

The number of people who purchased a hot dog and a soda is an example of ___________.

• Marginal Frequency

• Joint Frequency

• Marginal Relative Frequency

• Joint Relative Frequency

• Conditional Relative Frequency

Multiple Choice

What is the probability that a student does not play on a sports team? 

• .5
• .45
• .55

Multiple Choice

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

• .2
• .2222
• .10
• .5

Multiple Choice

48 male and 52 female students take a survey about their preferred sport. According to the chart, which sport was most popular among female students?

• Baseball

• Basketball

• Football

• Golf

Multiple Choice

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

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

• 15/29

• 33/59

• 15/60

• 15/120

Multiple Choice

The answer $$\frac{10}{18}$$   is to the question:

• 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?