Probabilty of Simple Events

Probabilty of Simple Events

Sample Size

Sample size is all the possible outcomes.

Coin

The sample size of a coin is:

Head and Tail

Six Sided Dice

The sample size of a six sided dice is 1 2 3 4 5 & 6

Spinner

The sample size of this spinner is Green Blue Orange and Red

Favorable Outcome

Favorable outcome is what the question is asking.
For example: What is the probability of landing on heads when you flip a coin? Favorable outcome would be heads or 1.

 $\frac{favorable\ outcome}{possible\ outcome}$  

Open Ended

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 If you spin the spinner shown, what is probability of landing on red?
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 $\frac{favorable\ outcomes}{possible\ outcomes}$  

Multiple Select

A number cube is marked with 1, 2, 3, 4, 5, and 6 on its faces.

If you roll the cube one time, what is probability of landing on 2?

• $\frac{1}{6}$

• 2

• $\frac{1}{2}$

Poll

There are 6 equally possible outcomes on the spinner. What is the probability of spinning blue?

 $\frac{favorable\ outcome}{possible\ outcome}$  

•  $\frac{1}{6}$  

•  $\frac{2}{6}$  

Multiple Choice

There are 6 equally possible outcomes on the spinner. What is the probability of spinning red?

 $\frac{favorable\ outcome}{possible\ outcome}$   

•  $\frac{3}{6}$  

•  $\frac{2}{6}$  

Multiple Choice

What is the probability of flipping a quarter and having it land on heads ?

 $\frac{favorable\ outcome}{possible\ outcome}$   

•  $\frac{1}{2}$  

•  $2$