Probability Number Line
Experimental Probability/ Predictions
Simple Probability
Sample Space and Tree Diagrams
Try it out!
100
Lulu has a bag of candy. It has 5 cherry candies, 2 peach candies, and 12 chocolate candies. What is the probability that Lulu will randomly pull a chocolate candy out of the bag?
A. Impossible B. Unlikely C. Neither Likely or Unlikely D. Likely E. Certain
What is D. Likely?
100
Joseph flips a coin 20 times and records the results. It lands on heads 4 times and tails 16 times. Find the P(tails).
What is 4/5 or 0.8 or 80%?
100
You mix the letters in the word J, E, O, P, A, R, D, Y randomly. Find the probability of getting a vowel.
What is 1/4 or 0.25 or 25%?
100
1/2
100
What are all the ways you can make a sample space? (there are 3)
table, list, tree diagram
200
Bob had a dice with sides labeled 1-6. What is the probability that he will roll a 9?
A. Impossible B. Unlikely C. Equally likely D. Likely E. Certain
What is A. Impossible?
200
Imagine that you roll a number cube 250 times. Predict how many times it will land on an even number.
What is ABOUT 125 times?
200
Daniel spun a spinner and got red than he spun the spinner again and got blue. Is this a simple or compound event?
Compound event
200
The restaurant has two appetizers, four soups to choose from, and five main dishes. How many different combinations can be made from this menu?
What is 40 different combinations?
200
If you flip a coin and a number cube. What is the probability that you will get tails and an odd number? P(T,odd)
What is 1/4 or 25% or 0.25?
300
What two numbers do probability range in between?
What is 0 and 1?
300
On a spinner labeled A-D 50 times. It lands on A 15 times, B 10 times, C 20 times, D 5 times. Find the P(D) as a Percent.
What is 10%?
300
You choose a card numbered 1 through 12. Find P(multiple of 5). Give answer as a fraction.
What is 1/6?
300
Three coins are tossed. What is the Probability that at least two of them will land on tails?
What is 1/2 or 0.5 or 50%
300
On a number line, what value represents an event that is certain to occur?
1 or 100%
400
Which of the following could be used to represent the probability of an event occurring?
1.45, -2/3, 2, 0.35 , -2.25
What is 0.35?
400
This states that as your trails increase, the experimental and theoretical probabilities will get closer to each other.
What is the Law of Large Numbers?
400
Katie rolled a dice. What is the probability that she rolled a 3 or a 6? Give answer as a Percent.
What is 33.3%
400
What is a Sample Space?
All possible outcomes of an event
400
If you have decorate for a party and need to choose between 3 different colored table cloths, 4 different colored balloons, and 2 different colored plates, how many total possible combinations are there?
24 total outcomes
500
Houston had a bag of marbles with 4 red marbles, 10 blue marbles, and 6 yellow marbles. What is the probability that Houston pulls a blue marble out of the bag?
A. Impossible B. Unlikely C. Equally Likely D. Likely E. Certain
What is C. Equally Likely?
500
You toss a coin 40 times and get tails 18 times. Based of this predict how many out of 2,500 times it will land on heads.
About 1,375 times.
500
If you have 24 socks in a laundry bin, and 8 are white, 12 are black, and 4 are gray, what is the P (not grey)? Give answer as a fraction, decimal, and percent.
What is 5/6, 83.3 %, 0.833?
500
What is the probability of getting strawberries and whip cream on your breakfast food? Answer as a fraction.
What is 1/4 or 25% OR 0.25
500
Ava has TWO dice with each side labeled 1-6. What is the probability that the sum of the dice will equal 9?
What is 1/9 or 11.1% or 0.111