Front

What is probability?

Back

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

Front

What does it mean if an event is 'unlikely'?

Back

If an event is 'unlikely', its probability is closer to 0 than to 1.

Front

What is the probability of an event that is certain to happen?

Back

The probability of an event that is certain to happen is 1.

Front

What is the probability of an event that cannot happen?

Back

The probability of an event that cannot happen is 0.

Front

How do you calculate the probability of a single event?

Back

Probability of a single event = (Number of favorable outcomes) / (Total number of outcomes).

Front

What is uniform probability?

Back

Uniform probability means that all outcomes in a sample space are equally likely.

Front

If a spinner has 4 equal sections, what is the probability of landing on any one section?

Back

The probability of landing on any one section is 1/4.

Front

What is the complement of an event A, denoted as P(NOT A)?

Back

P(NOT A) = 1 - P(A).

Front

If there are 10 red candies and 10 blue candies, what is the probability of selecting a red candy?

Back

The probability of selecting a red candy is 10/20 = 1/2.

Front

In a bag with 6 pink buttons and 10 red buttons, what is the probability of choosing a pink button?

Back

The probability of choosing a pink button is 6/(6+10) = 6/16 = 0.375.