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Vocabulary
Basic Probability
Counting Outcomes
Predictions Using Probabilities
Probabilities in Percent Form
100
This is the likelihood of an event occuring. 

a. chance 

b. probability 

c. percent 

d. independent

What is probability?
100
This is the probability, in simplest form, of rolling an even number on a die 
What is 1/2?
100
Shakes come in small, medium, and large. The flavors are vanilla, chocolate, strawberry, and caramel. What are the number of possible ways to order a shake? (flavor and size combinations) 
What is 12?
100
Of 10 people at the park, 4 really like the new playground. Use the information to predict how many out of 100 people would really like the new playground.
40 out of 100 people
100
This percent represents the probability of rolling a 3 on a ten-sided die.
What is 10%?
200
This the result of an event. 

a. dependent 

b. event 

c. outcome 

d. chance

What is outcome?
200
You and four friends order food at a restaurant. This is the probability that your food will be served first.
What is 1/5?
200
A truck comes in 2-door, extended-cab, and 4-door models. The available colors are black, red, white, green, and blue. This is the number of ways the manufacturer can produce the truck.
What is 15?
200
If 12 people out of 50 saw the new movie with Reese Witherspoon, how many people out of 1,000 would you expect to see the movie?
240
200
On a spinner with blue, yellow, green, and red sections, this percent represents the probability of spinning blue.
What is 25%
300
The outcome you want is this. 

a. favorable 

b. probability 

c. independent 

d. wanted

What is favorable?
300
This is the probability, in simplest form, of rolling greater than 2 on a ten-sided die numbered 1-10.
What is 4/5?
300
M&Ms come in blue, green, brown, red, yellow, and orange. One conveyer makes plain, peanut, pretzel, and dark. This is the number of M&Ms the conveyer makes.
What is 24?
300

If 14 of 60 students are interested in participating in athletics, how many out of 420 would you expect to be interested in athletics?

The ratio 14/60 is equal to the ratio x/420; where x equals the number of students your would expect to be interested in athletics. Solve the ratio and you get the answer! 98 students would be interesting in athletics

300
This percent represents the probability of not spinning orange on a spinner with yellow, green, orange, and red sections.
What is 75%
400
Name a way to draw all the possible outcomes of an event with branches 
What is a tree diagram?
400
A bag has seven Snickers and three Milky Way bars. This the probability of pulling out a Snickers?
What is 7/10?
400
A shirt comes in s, m, l, and xl. The colors are black, blue, green, red, orange, yellow, pink, and white. This is the number of shirt choices a store must carry.
What is 32?
400
For every 75 light bulbs produced at a factory, 2 are defective. In a box of 300 light bulbs, how many would likely be defective?
Ratio 2/75 = x/300 Solve the ratio and you get 8 defective light bulbs.
400
This percent represents the probability of drawing a green marble from a bag with 9 green and 11 black marbles.
What is 45%
500
Describe the outcomes of these two events: a) flipping a coin b) spinning a spinner with equal sections of red, blue, green, yellow and orange. How many outcomes are there for each event?
a) You could toss heads or tails; two outcomes b) You could spin red, blue, green, yellow or orange; five outcomes
500
The letters A through I are placed in a bag. This is the probability of drawing D.
What is 1/9?
500
As a movie tie-in, three soft drinks have a dozen different character cans. This is the number of different cans the manufacturer must produce.
What is 36?
500
At the school carnival, Jesse won the balloon dart game 1 out of every 5 times he played. If he plays another 15 times, about how many times can he expect to win?
3
500
This percent represents the probability of rolling a 7 on a standard die 
What is 0%?