Probabilty of Simple Events

Probabilty of Simple Events

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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

Multiple Choice

Probability is ...

• the chance that some event will occur.

• a game that involves coins.

• a guarantee.

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 ?

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

• $$\frac{1}{2}$$  

• $$2$$  

Multiple Choice

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11

• 5/6

• 1/3

• 5

Multiple Select

What is the probability of spinning a 2 on the spinner?

• 1/2

• 1/3

• 1/8

• 1/4

Multiple Choice

What is the probability of the spinner landing on blue?

• 1/8

• 1/4

• 3/8

• 1/2

Multiple Choice

The spinner is spun once. Find the probability of the event. Write each answer as a fraction, percent, and decimal. $$P\ \left(Vowel\right)$$

• $$\frac{3}{10},\ 30\%,\ 0.3$$  

• $$\frac{1}{10},\ 10\%,\ 0.1$$  

• $$\frac{2}{10},\ 20\%,\ 0.2$$  

• $$\frac{4}{5},\ 80\%,\ 0.8$$  

Multiple Choice

The spinner is spun once. Find the probability of the event. Write each answer as a fraction, percent, and decimal. $$P\ \left(F\right)$$

• $$\frac{3}{10},\ 30\%,\ 0.3$$  

• $$\frac{1}{10},\ 10\%,\ 0.1$$  

• $$\frac{2}{10},\ 20\%,\ 0.2$$  

• $$\frac{4}{5},\ 80\%,\ 0.8$$