Simple Events Probability

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, where 0 means the event will not happen and 1 means it will definitely happen.

Front

How do you calculate the probability of a simple event?

Back

The probability of a simple event is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.

Front

What is a favorable outcome in probability?

Back

A favorable outcome is the outcome of an event that we are interested in or want to happen.

Front

If there are 15 pieces of fruit and 3 are oranges, what is the probability of selecting an orange?

Back

1/5

Front

What does it mean if a spinner has equal sections?

Back

If a spinner has equal sections, each section has an equal chance of being landed on when the spinner is spun.

Front

What is the probability of landing on yellow if the spinner has 4 equal sections and one is yellow?

Back

25% or 1/4

Front

What is experimental probability?

Back

Experimental probability is the probability determined by conducting an experiment and observing the outcomes.

Front

How do you find the experimental probability of an event?

Back

Experimental probability is found by dividing the number of times the event occurs by the total number of trials.

Front

If there are 15 boys and 15 girls in a class, what is the probability of selecting a boy?

Back

1/2

Front

What is the total number of outcomes if a spinner has 8 equal sections?

Back

8 total outcomes.