Simple Probability

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 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 is impossible?

Back

The probability of an event that is impossible is 0.

Front

How do you calculate the probability of a single event?

Back

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

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 probability of NOT rolling a 3 on a standard die?

Back

The probability of NOT rolling a 3 is 5/6.

Front

In the word 'ALGEBRA', how many letters are there?

Back

There are 7 letters in the word 'ALGEBRA'.

Front

What is the probability of choosing a letter that is 'A' from the word 'ALGEBRA'?

Back

The probability of choosing 'A' is 3/7.

Front

What does it mean if two events are independent?

Back

Two events are independent if the occurrence of one does not affect the occurrence of the other.

Front

What is the total number of outcomes when flipping a coin?

Back

The total number of outcomes when flipping a coin is 2 (heads or tails).