Intersection of Compound Probabilities

Sid has a bag of skittles - 12 red, 14 green & 10 blue. He chooses one, eats it, and chooses another. What is the probability that he selects a red then a blue?

• 1/12 x 1/10

• 12/36 x 10/35

• 12/36 x 11/35

• 12/36 x 10/36

A sock drawer has 5 pairs of white, 4 pairs of black and 6 pairs of multicolored socks. What is the probability that you choose a white pair, black pair, then a multicolor pair (throwing each pair onto the floor after choosing it)?

• 1/5 x 1/4 x 1/6

• 5/15 x 4/15 x 6/15

• 5/15 x 4/14 x 6/13

• 1/15 x 1/15 x 1/15

See picture: P(6, even)

• None of these answers

See picture (tip multiply)

• 100%

• 50%

See picture: P(heads up and ((1,2,or 4))

• 40%

See picture: P(flip flops, argyle socks)

According to a survey in one U.S. city, 53% of women between the ages and 25 of 35 are married, 45% are working full time, and 21% are married and working full time. If a woman between the ages of 25 and 35 is picked at random from the city, what is the probability that she is working full time or married but not both?

• 0.79

• 0.23

• 0.98

• 0.56

A survey of the male students at a junior college reveals that, 27% play soccer regularly, 28% are Latino, and half of the Latino students play soccer regularly. If a male student is selected at random, what is the probability that he is neither Latino nor a soccer player?

• 0.59

• 0.31

• 0.45

• 0.27

At a California college, 19% of students speak Spanish, 7% speak French, and 4% speak both languages. A student is chosen at random from the college, what is the probability that the student speaks Spanish if she speaks French?

• 0.211

• 0.571

• 0.030

• 0.040

A survey revealed that 34% of people are entertained by reading books, 47% are entertained by watching TV, and 19% are entertained by both books and TV. What is the probability that a person will be entertained by either books or TV?

• 0.19

• 0.81

• 0.62

• 1