Determining Probability Basic

Rolling a pair of dice, find P(rolling doubles).

• 1/2

• 1/12

• 1/6

• 1/9

Rolling a pair of dice, find P(sum > 9).

• 1/2

• 1/12

• 1/6

• 1/9

Rolling a pair of dice, find P(sum is 7 or 11).

• 50%

• 16%

• 17%

• 22%

Rolling a pair of dice, find P(sum is 5).

• 11%

• 25%

• 17%

• 22%

One card is drawn from a shuffled deck. What is the probability it is a King or a Club?

Two dice are rolled. What is the probability the sum of the dice is greater than 9?

Two dice are rolled. What is the probability that neither of the two dice shows a "five"?

One card is drawn from a shuffled deck. What is the probability it is an Ace?

• The probability you select a blue marble.

• The probability you select a marble that is red or blue.

• The probability you select a black marble.

• The probability you do not select a red marble.

Would you rather have gym class in the morning of afternoon?
What is P(grade 8 and morning)?