Simple Probability
Independent Events
Dependent Events
Counting Principle
Making Predictions
100
What is the probability of spinning a 5?
1/3
100
Jon tosses a coin and rolls a dice, this is the probability of getting a heads and a 2.
1/12
100
Mary has a box of markers containing a blue, red, green, yellow, orange, black, brown, and purple. If she takes a marker and does not return it, this is the probability of getting a green then a blue.
1/56
100
If you roll a dice 120 times, how many times would you expect it to land on a 4?
20
100
Darian made 26 of the 32 free throws he attempted. What is the experimental probability of him making the next shot written as a percent?
80%
200
There are 8 green marbles, 7 blue marbles and 6 red marbles in a jar. What is the probability of not drawing a red marble?
15/21
200
Francisco rolls a number cube twice, what is the probability that he rolls an even number on both rolls? Simplify your answer.
9/36 or 1/4
200
This is the probability of having your name drawn second from a cup of 10 names where each student's name is only put in once and every time a name is drawn, it is removed from the cup.
1/90
200
If you toss a coin 4 times, this is the probability of getting a heads all 4 times.
1/16
200
The number of times you will land on a multiple of three in 80 spins of this spinner.
20
300
The probability of spinning the letter B or C.
3/8
300
A spinner has 20 equal spaces numbered 1-20. A second spinner has 2 equal spaces labeled A and B. This is the probability of landing on an even number on the 1st spinner and an A on the second spinner.
1/4
300
The teacher places each letter in the word PROBABILITY on a tile. This is the probability of getting a B not returning it and then a Y.
1/55
300
What is the probability of flipping a coin 3 times and getting tails at least twice?
4/8 or 1/2
300
Bryan made 26 out of 32 free-throw attempts. If Bryan shoots the ball 100 times, about how many free-throws can you expect him to make?
81
400
In the game of chess the pieces come in black and white. For each color, there are the following pieces: 1 queen, 1 king, 2 rooks, 2 bishops, 2 knights, 8 pawns. What is the probability of randomly selecting a rook? Reduce the fraction to its simplest form.
4/32 = 1/8
400
Based off the table, what is the experimental probability of a white or blue color car going past?
12/20 or 3/5 or 60%
400
There are 24 socks in a sock drawer. 1/3 of the socks are black, 10 are blue and the rest are white. If Paul picks a sock and doesn't return it, this is the probability that he will pick 2 black socks.
7/69
400
A spinner has 4 equal parts labeled A, B, C, and D. You spin the spinner 40 times. How many times do you expect to land on a consonant?
30 times
400
If you spin the spinner 50 times, about how many times can you expect to land on 11? Round to the nearest whole number.
6
500
In Ms. Smith's Language Arts class students created projects to share with the class. There are 12 boys and 15 girls. What is the probability of not drawing a boy to in decimal form? Round to the nearest tenth.
0.55
500
A packet contains 23 shapes: 8 are cube, 7 are square, and 8 are spheres. This is the probability of picking a cube, replacing it, and then choosing a square or sphere.
120/529
500
There are 30 gumballs in a machine. 1/2 are red. Of the remaining gumballs 1/3 are blue, 4 are yellow and the rest are white. What is the probability of getting a white eating it and then a blue gumball?
1/29
500
Jeff made an outfit combination from a hat, tie, and wallet. This is the number of combinations Jeff has if he chose from 5 different hats, 7 different ties, and 8 different wallets.
280
500
Gil rolls a number cube 78 times. About how many times can he expect to roll an odd number greater than 1?
26