Conditional Two Way Tables

How many males that were surveyed prefer basketball?

• 13

• 15

• 20

• 48

How many females that were surveyed prefer football?

• 23

• 16

• 13

• 52

How many total people prefer baseball?

• 36

• 31

• 33

• 100

How many total people prefer football?

• 36

• 31

• 33

• 100

What is the JOINT relative frequency of a female preferring basketball (take the inner cell divided by the grand total)?

• 31%

• 100%

• 52%

• 16%

What is the MARGINAL relative frequency males surveyed (take the margin total divided by the grand total)?

• 52%

• 48%

• 36%

• 31%

What is the MARGINAL relative frequency people who preferred basketball (take the margin total divided by the grand total)?

• 52%

• 48%

• 36%

• 31%

Which age group liked Action movies the least? (a)  

• 18-25

• 25-49

• 50+

• 238

Ms. Freeman surveyed her students to find out what they ate for lunch today. What is the probability that a randomly selected student will be a boy given that the student ate hamburger for lunch. (answer in decimal, 3 numbers after decimal)

Matthew has a collection of marbles. What is the probability that a randomly selected marble is green given that the marble is striped?