Simple Probability
Counting Outcomes
Permutations
Exp Prob
/Predictions
Independent and Dependent Prob
100
A set of cards is numbered 1 to 20. Find the probability of the following: draw a 1
1/20
100
Find how many outcomes are possible: You can choose from 4 types of bagels and 3 types of cream cheese.
12
100
In the battle of the Bands, in how many different ways can the bands play?
24
100
In a survey of 3,225 people, 44% said they wanted a pool. How many people was this?
about 1,419 people
100
A number cube is rolled and a marble is selected from a bag. There are 2 reds, 2 yellows, 2 greens, 1 blue, and 1 purple marble in the bag. Find the probability of the following: roll a 1 and pick a red marble.
1/24
200
A set of cards is numbered 1 to 20. Find the probability of the following: draw a 3 or 13
1/10
200
Find how many outcomes are possible: You pick a number 1 through 20 and choose from 7 colors.
140
200
How many permutations are possible from the word FRIEND?
720
200
In a survey of 255 people, 43% said they like ice cream. How many people liked ice cream?
about 110
200
A number cube is rolled and a marble is selected from a bag. There are 2 reds, 2 yellows, 2 greens, 1 blue, and 1 purple marble in the bag. Find the probability of the following: roll a 3 and pick a purple marble.
1/48
300
A set of cards is numbered 1 to 20. Find the probability of the following: draw an even number
1/2
300
Find how many outcomes are possible: You pick a month of the year and then a day of the week.
84
300
A garage door has 5 digits. If no digit is repeated, how many codes are possible?
30,240
300
A coin is flipped 50 times, and it lands on heads 28 times. Find the following probability: What is the experimental probability of the coin landing on heads?
14/25
300
A number cube is rolled and a marble is selected from a bag. There are 2 reds, 2 yellows, 2 greens, 1 blue, and 1 purple marble in the bag. Find the probability of the following: roll an even number and pick a yellow marble.
1/8
400
A set of cards is numbered 1 to 20. Find the probability of the following: draw a card that is not 20
19/20
400
Find how many outcomes are possible: You have 3 choices of movie on 4 different theaters.
12
400
How many different 3 digit codes can be made from the numbers 9, 3, 4, 7, and 6?
60
400
A coin is flipped 50 times, and it lands on heads 28 times. Find the following probability: What is the experimental probability of the coin landing on tails?
11/25
400
A laundry basket has 18 blue socks and 24 black socks. What is the probability of picking 2 black socks in a row if the socks are not replaced?
92/287
500
A set of cards is numbered 1 to 20. Find the probability of the following: draw a multiple of 3
3/10
500
Find how many outcomes are possible: You roll a dice and flip 2 coins.
24
500
A child has wooden blocks with the letters G T R I E on them. What is the probability the child arranges the blocks to spell TIGER?
1/120
500
A coin is flipped 50 times, and it lands on heads 28 times. Find the following probability: If you flip the coin 100 times, how many times would it land on heads?
56
500
There are 9 cards numbered 1 through 9. You draw one card at random and then draw another card. The cards are not replaced. What is the probability of picking 2 even numbers in a row?
1/6
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