Calculating Probabilities of Compound Events

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

Find the probability of getting a 1 or 2 on a die and tails on a quarter. (Which is the correct work?)

• 1/6 x 1/6 x 1/2

• 2/6 x 1/2

• 1/6 x 1/2

• 2/6 x 2

Find the probability of getting a 1 or 2 on a die and tails on a quarter.

• 1/72

• 12

• 1/12

• 1/6

Mr. & Mrs. Mathy are having triplets. What is the probability that they will all be girls? (Which is the correct set up of work?)

• 1/3 x 1/3 x 1/3

• 1/2 x 3

• 1/2 x 1/2 x 1/2

• 1/8

Mr. & Mrs. Mathy are having triplets. What is the probability that they will all be girls?

• 3/2

• 1/27

• 1/3

• 1/8

A bucket contains 5 yellow and 7 red marbles. If 2 marbles are selected randomly without replacement, what is the probability that one will be yellow and the other will be red?

• 5/12 x 7/12

• 5/12 x 7/11

• 5/12 x 4/11

• 7/12 x 6/11

The letters from the word dependent are placed in a box. If two letters are drawn at random, what is the probability that they will both be consonants?

• 3/9 x 2/8

• 6/9 x 6/9

• 6/9 x 5/8

• 6/9 x 5/9

Find the probability of getting a 5 on a dice and a tails on a dime.

• 5/6 x 1/2

• 1/5 x 1/2

• 1/6 x 1/2

• 1/6 + 1/2

The organized list shows all the possible outcomes when three fair coins are flipped. The possible outcomes of each flip are heads​ (H) and tails​ (T). What is the probability that exactly 1 fair coin lands heads up when 3 are​ flipped?

• 1/4

• 3/8

• 1/2

• 5/8

The table shows the possible outcomes of spinning the given spinner and tossing a fair coin. Find the probability of​ P(1,H).

• 1/10

• 1/5

• 1/4

• 1/2