Likelihood
Simple Probability
Compound Probability
Vocabulary
Making Predictions
100
What is the likelihood of pulling a white marble out of a bag with only white marbles
Certain, 1
100
What is the probability of rolling a 2 on a standard number cube?
1/6
100
What is the probability of buying a necklace that is a 20 in. and gold?
5/75 = 1/15
100
Give a probability that could be considered certain
any fraction equal to 1
(2/2, 15/15, 86/86)
100
Eddy scores a goal 2/5 of the time. After 350 kicks, how many goals can he predict to make?
140 goals
200
What is the likelihood of pulling a green card from a standard deck of cards?
Impossible, 0
200
There are 4 Queens in a standard deck of 52 cards. If you were to randomly pull a card, what is the probability that it is a Queen?
4/52 = 1/13
200
What are the total number of outcomes?
12
200
Describe what the complement is
The probability of the events not happening
200
A dentist office notices that patients cancel 16% of the time. If there are 850 appointments, how many can they assume will be canceled?
136
300
A spinner has 3 equal sections labeled blue, white, and red. What is the likelihood of not landing on blue?
Likely, 2/3
300
What is the probability of pulling a "D"
8/40 = 1/5
300
If this is the data for the amount of cars in a parking lot. What is the experimental probability that the next car is a black van?
6/100 = 3/50
300
Describe a simple event
events with one outcome
300
If the movie theater claims that 104 people liked a movie, out of 150 who saw it. Would that be accurate to what their online poll says?
They were close with 108
400
A bag has 2 purple tiles, 3 green tiles, and 5 yellow tiles. What is the likelihood of pulling a yellow tile?
As likely as not, 1/2
400
What is the probability of not pulling a "D"
32/40 = 4/5
400
What is the experimental probability that the next vehicle is any white one?
30/100 = 3/10
400
Define a compound event
an event with more than one outcome
400
Sammy misses the bus 1 out of every 30 school days, and there is 180 days in the year. He sets up the proportion above to estimate how many days he will miss. Where is his mistake?
it should be 
500
On tiles that are labeled 1-15, what is the likelihood of drawing a tile that is not divisible by 3?
Likely, 10/15 or 2/3
500
What is the probability of pulling a red tile or a blue tile?
22/50 = 11/25
500
If you are doing a compound event problem and are using a regular number cube for one model and a coin for the other model, list all the possible outcomes
H1, H2, H3, H4, H5, H6, T1, T2, T3, T4, T5, T6
500
Name a model you could use in a simulation
dice, cards, spinner, coins, etc
500
Ms. Swinehart notices that 3/5 of 7th grade students checked out fantasy books. If there are 240 7th graders, how many are reading a fantasy book?
144 7th graders