Probability Fractions

Front

What is probability?

Back

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

Front

What is a fraction?

Back

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

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 selecting a cherry piece of candy if there are 3 cherries in a bag of 12 candies?

Back

3/12 or 1/4.

Front

If there are 5 oranges in a bag of 15 fruits, what is the probability of pulling out an orange?

Back

5/15 or 1/3.

Front

What is the probability of rolling a 3 or 6 on a fair die?

Back

There are 2 favorable outcomes (3 and 6) out of 6 possible outcomes, so the probability is 2/6 or 1/3.

Front

If a bag contains 5 baseballs out of 19 total items, what is the probability of pulling a baseball?

Back

5/19.

Front

In a bowl with 4 yellow, 6 orange, 3 green, 5 blue, and 2 brown M&Ms, what is the probability of selecting a brown candy?

Back

2/20 or 1/10.

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 to occur.