Independence and Two Way Tables

Determine P(Female)

• 135/240

• 45/240

• 60/240

• 180/240

Determine P(Male)

• 21/240

• 156/240

• 60/240

• 180/240

Determine the probability of a randomly selecting a person that drives a SUV.

• 156/240

• 84/240

• 21/240

• 135/240

Determine the probability of a randomly selecting a person that drives a sports car.

• 39/240

• 45/240

• 84/240

• 60/240

What is the probability that a student plays sports given that they do community service?

Of the times when the forecast called for rain, what is the percentage that it actually rained?

• About 90%

• About 50%

• About 70%

• About 80%

Are the events "first class passenger" and "survived" independent?

• Independent

• Not Independent

Given that the grade is an A, what is the probability of the student being female?

• 8/20

• 12/20

• 8/44

• 12/56

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 randomly selected student plays sports and does not participate in community service?

• .4444

• .3333

• .1484

• .3