Intro to Probability

Front

Probability is ...

Back

the chance that some event will occur.

Front

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

Back

1/3

Front

If you select a marble without looking, how likely is it that you will pick a black one?

Back

impossible

Front

What is the probability of spinning red?

Back

5/12

Front

A regular 6-sided die is to be rolled one time. What is the probability that the number 5 is rolled?

Back

1/6

Front

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

Back

2 (heads or tails)

Front

What is the probability of rolling an even number on a 6-sided die?

Back

1/3

Front

If a spinner is divided into 4 equal parts (red, blue, green, yellow), what is the probability of landing on blue?

Back

1/4

Front

What does it mean if an event is described as 'certain'?

Back

It means the event will definitely happen.

Front

What does it mean if an event is described as 'impossible'?

Back

It means the event cannot happen.