Probability of Simple Events

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 a simple event in probability?

Back

A simple event is an event that consists of a single outcome.

Front

How do you calculate the probability of a simple event?

Back

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

Front

What is the probability of landing on a number greater than 2 but less than 7 on a spinner with numbers 1 to 8?

Back

1/2

Front

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

Back

5/12

Front

What is the probability of spinning an even number on a spinner with numbers 1 to 8?

Back

50%.

Front

If Gabby has 20 fabric samples and 8 are plaid, what is the probability of selecting a plaid sample?

Back

2/5.

Front

What is the probability of selecting an orange from a basket of 15 fruits with 3 oranges?

Back

1/5.

Front

What does it mean if the probability of an event is 0?

Back

It means the event cannot occur.

Front

What does it mean if the probability of an event is 1?

Back

It means the event is certain to occur.