Vocabulary
Understanding Probability
Simple Probability
Compound Probability
Predictions
100

The likelyhood that something happens

Probability 

100

What do we call an event that has a 0% probability of occuring? 

Impossible

100

The spinner is being used below. What is the probaibility that you are going to get an even number greater than 5?

2/9

100

George when to a sandwitch shop. He looked at the menu board to see his options. How many different sandwiches can he make if he gets one bread, one meet, and one cheese? 

12

100

A dice is rolled 30 times. A 4 has shown up 7 times. How many times would you expect a 4 to show up if you were to role 60 times? 

14

200

A list of all possible outcomes:

H, T 

1, 2, 3, 4, 5, 6 

Red, Blue, Green, Yellow, Purple 

Sample Space 
200

What do we call an even that has a probability of 100% occuring? 

Certian

200

Tastee Brand Cerial Company is doing a prize giveaway when people purchase Tastee boxes of creal. At one supermarket in California, there were a total of 2,347 boxes of Tastee cereal sold, and 1,932 of them had prizes in them. 

What is the percent probability of recieving a prize? 

Is the event linkely or unlikely? 

82%     

Likely

200

Timmy has a red shirt, a blue shirt, a black shirt, and a white shirt. He also has a pair of black shorts, a pair of yellow shorts, a pair of green shorts. He also needs to pick a pair of shoes. He has a pair of slides, a pair of crocks, a pair of jordans, and a pair of converse. How many different outfit combinations can he make?

48 

200

Ethan is conducting a probability eximent that uses a spinner. The spinner has 4 sections, numbered A, B, C, and D. The sections are are not all the same size. The table shows the results after 30 spins. 

Ethan will conduct the experiment a total of 300 times. How many times is it predicted that B shows up? 

80

300

What SHOULD happen

Theoretical Probability 

300

If you flip a coin, how many possible outcomes are there? 

2

300

Ms. Tong's students performed a scavenger hunt during their field trip to a museum. Out of 26 studetns, 8 girls and 4 boys completed the scavenger hunt correctly. Ms. Tong randomly selects 1 of those students for a prize. What is the probability that the student selected was a girl? 

8/26 or 4/13

300

To win the game you have to spin the two spinners below and they have to land on the same color. What is the probability of each spinner landing on blue? 

1/6

300

If a spinner was spun 14 times and landed on red 5 of those times. How many times would you expect to land on red after spinning it 70 times?

25

400

What DOES happen

Experimental probability 

400

How many outcomes does this tree diagram show? 

8

400

Sam's volleyball team has white jerseys and green jerseys. The table below shows the outcomes possible for the first three games. What is the proability that she will wear her white jersey twice and her green jersey once? 

3/8

400

What is the probabiity of rolling a 5 and spinning a B? 

1/30

400

Ms. Gonzalex splaces tiles in a bag. Each tile is either red, blue, gree, or yellow. A student chooses a tile from the bag without looking, records the color, and places the tile back into the bag. The results are in this table.

What is the experimental probability of choosing a yellow tile? 

12/40 or 3/10

500

When spinning a spinner, the probability of spinning red is 3/8. What does the 8 represent?

The number of possible outcomes 

500

You roll a die 24 times. 5 of those rolls show a 3. Is this greater than, less than, or equal to the theroetical probability?

Greater than! 

Theoretical: 1/6 = 4/24

Experimental: 5/24

500

The table shows how many gumballs of each color there are in a gumball machine.

What is the probability that you get a yellow gumball? 

WRITE YOUR ANSWER AS A PERCENT! 

17%

500

Timmy has a red shirt, a blue shirt, a black shirt, and a white shirt. He also has a pair of black shorts, a pair of yellow shorts, a pair of green shorts. He also needs to pick a pair of shoes. He has a pair of slides, a pair of crocks, a pair of jordans, and a pair of converse.What is the probability that he wears a black shirt, any shorts, and his slides? 

3/48 

500

A group of six studetns had four attempts each at shooting a basket from the foul line. The results are in the table below.

 

What is the percent that the students didn't make the shot? 


6/24 or 1/4