Conditional Probability

What is the probability that a student plays on a sports team given they don't play an instrument? 

• .7273

• .8

• .55

• .2222

What is P(not Sport | not Foreign Language)?

• 23/26

• 14/23

• 3/13

• 7/13

P(crew∣did not survive) =

• P(crew ∩ did not survive)

• P(crew)/P(did not survive)

• P(crew ∩ did not survive)/P(crew)

• P(crew ∩ did not survive)/P(did not survive)

What is the probability of choosing a Honda? 

• .5970

• .5373

• .4627

• .4030

The probability that a women likes the color blue is 10%. The probability of being a women is 40%. What is the probability that the a women is chose given they liked the color blue? 

• 4

• 0.4

• 0.1

• 0.25

What is the probability that a student plays an instrument 

• .55

• .5

• .45

• .4

A jar contains black and white marbles. Two marbles are chosen without replacement. The probability of selecting a black marble and then a white marble is 0.34, and the probability of selecting a black marble on the first draw is 0.47. What is the probability of selecting a white marble on the second draw, given that the first marble drawn was black?

• 16%

• 1.38%

• 72.3%

• Not enough information

In a school the probability that a student takes Technology and Spanish is 0.087. The probability that a student takes technology is 0.68. What is the probability that a student takes Spanish given that the student is taking Technology?

• 7.8%

• 12.8%

• 5.9%

• Not enough information

What is P(Red given blue)?

• 50%

• 26.7%

• 57.1%

• 46.7%