Simple Probability

Front

What is probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a number between 0 and 1.

Front

What is an even number?

Back

An even number is an integer that is exactly divisible by 2.

Front

How do you calculate the probability of an event?

Back

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

Front

What is the probability of landing on an even number with a spinner divided into 8 equal parts?

Back

4/8 or 1/2, since there are 4 even numbers (2, 4, 6, 8) out of 8.

Front

What is the probability of landing on a specific number, like 3, on a spinner with 8 equal parts?

Back

1/8, since there is only one '3' out of 8 total sections.

Front

What is the probability of flipping heads on a fair coin?

Back

1 out of 2, since there are 2 possible outcomes: heads or tails.

Front

What is the probability of choosing a black hat from a collection of 6 hats, where only 1 is black?

Back

1 out of 6, since there is 1 black hat out of 6 total hats.

Front

What is the probability of spinning green on a spinner with 4 equal sections, where 1 section is green?

Back

1/4, since there is 1 green section out of 4 total sections.

Front

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

Back

It means the event is impossible and will not occur.

Front

What does it mean if an event has a probability of 1?

Back

It means the event is certain and will definitely occur.