Finds simple probability of an event

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 formula for calculating the probability of an event?

Back

Probability = (Number of favorable outcomes) / (Total number of possible outcomes)

Front

What is an event in probability?

Back

An event is a specific outcome or a set of outcomes of a random experiment.

Front

What is a sample space?

Back

The sample space is the set of all possible outcomes of a random experiment.

Front

How many odd numbers are there in a spinner with sections numbered 1 to 5?

Back

3 (The odd numbers are 1, 3, and 5.)

Front

What is the probability of rolling a number greater than 4 on a standard six-sided die?

Back

1/3 (The favorable outcomes are 5 and 6, which are 2 out of 6 total outcomes.)

Front

If a bag contains 9 purple marbles, 13 gray marbles, and 17 brown balls, what is the total number of outcomes?

Back

39 (Total outcomes = 9 + 13 + 17 = 39.)

Front

What is the probability of drawing a blue marble from a bag containing 5 red, 3 blue, and 2 green marbles?

Back

3/10 (The probability is 3 blue marbles out of a total of 10 marbles.)

Front

What is the probability of choosing a mint candy from a box with 25 candies: 11 chocolate, 5 strawberry, and 9 mint?

Back

9/25 (The probability is 9 mint candies out of a total of 25 candies.)

Front

What does it mean if an event has a probability of 0?

Back

It means the event is impossible and will not occur.