Probability Fractions

Front

What is probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a fraction or percentage.

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator and 'b' is the denominator.

Front

What is the probability of rolling a 3 on a standard die?

Back

1/6

Front

What is the probability of rolling an even number on a standard die?

Back

3/6

Front

If a bag contains 4 oranges and 11 other fruits, what is the probability of pulling out an orange?

Back

4/15

Front

What is the probability of selecting a number greater than 5 from 0-10?

Back

5/11

Front

What is the probability of spinning red if there are 5 red sections out of 12 total sections?

Back

5/12

Front

How do you calculate probability?

Back

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

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.