Probability Review

You flip a coin and draw a marble at random from a bag containing two blue marbles and two green marbles. Find the number of possible outcomes.

You choose 5 apples from a case of 24 apples. Wihch best represnts the number of ways you can make your selection?

• ₅C₁₉

• ₂₄C₅

• ₅P₂₄

• ₁₉P₅

Which is equivalent to ₇P₃?

• 28

• 35

• 210

• 840

A traveler can choose from three airlines, five hotels, and four rental car companies. How many arrangements of these services are possible?

• 12

• 60

• 220

• 495

Which is equivalent to ₉C₅?

• 126

• 3024

• 15,120

• 45,000

You roll two six-sided die, what is P(sum of 9) to the nearets percent?

Find the theoretcial probbility based on one marble drawn at random from a bag of 14 red, 10 pink, 18 blue, and 6 gold.

P(not pink)

answer as a fraction

You randomly choose a whole number from 1 to 4 and a letter from A to D. Find the number of possble outcomes in the sample space.

A store displays two red shirts, one blue shirt, and three red-white striped shirts. It also displays two blue jeans, one pair of white pants, and one pair of white shorts.

P(selecting a shirt with white or red on it)

• 1/4

• 3/10

• 1/2

• 7/10

A store displays two red shirts, one blue shirt, and three red-white striped shirts. It also displays two blue jeans, one pair of white pants, and one pair of white shorts.

P(selecting a shirt with white or red on it)

• 1/4

• 3/10

• 1/2

• 7/10