Compound Probability

A cookie jar has 3 dozen chocolate chip, 1 dozen peanut butter, and 2 dozen oatmeal raisin cookies. If Megan chooses a cookie, does not replace it, then chooses another, what is the probability that she chooses a peanut butter then a chocolate chip cookie?

• 2/3

• 1/10

• 6/71

• 11/72

Victor picks a card at random. Without putting the first card back, he picks a second card at random.

• Dependent

• Independent

What is the P(K then A) = _____

• 1/9

• 2/9

• 2/7

• 0

What is the P(A then B) = _____

• 1/6

• 1/3

• 2/81

• 1/27

What is the P(E then E) = _____

• 4/81

• 2/9

• 4/7

• 2/9

What is the P(C then F) = _____

• 1/81

• 1/9

• 2/7

• 1/18

What is the P(white, purple) = ___

• 1/12

• 7/12

• 7/5

• 1/24

What is the P(blue, blue) = ___

• 1/16

• 6/144

• 1/4

• 6/6

Miss Ward spins a wheel to determine the number of homework problems to assign. There are 20 sections labeled 1–20. What is the probability that there will be fewer than 13 problems assigned for homework?

• 13/20

• 3/5

• 4/9

• 7/20

A letter of the alphabet is chosen at random, then a coin is flipped. What is the probability of choosing a letter from the word MATH then getting tails? 

• 17/26

• 1/13

• 5/13

• 5/26