Probability Review

Front

What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

What is the theoretical probability of an event?

Back

Theoretical probability is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.

Front

If a coin is flipped, what is the probability of getting heads?

Back

1/2

Front

A bag has 3 red marbles, 2 blue, and 4 yellow. What is the theoretical probability of pulling a blue marble?

Back

2/9

Front

What is the probability of drawing a red marble from a bag with 3 red, 2 blue, and 4 yellow marbles?

Back

3/9 or 1/3

Front

A bag contains 30 pieces of candy: 15 grape, 7 cherry, 3 lemon, and 5 strawberry. What is the probability of drawing a grape candy?

Back

15/30 or 1/2

Front

What is the probability of drawing a lemon candy from the bag?

Back

1/10

Front

If a spinner has 4 equal sections: red, blue, green, and yellow, what is the probability of landing on yellow?

Back

1/4

Front

What is the probability of not rolling a 6 on a fair die?

Back

5/6

Front

If there are 10 students in a class and 4 are girls, what is the probability of randomly selecting a girl?

Back

4/10 or 2/5