Counting Principle
Permutations-Combinations
Probability-Odds
Independent Events
Dependent Events
100
How many different ways an you change your outfit with 10 shirts, and 5 pairs of pants?
50
100
10!
3,628,800
100
What is the probability you pick out a red marble randomly fromm a bag when there are 4 red and 9 blue in the bag?
4/9 or 44.4%
100
You spin a spinner numbered 1 through 4 and roll a six-sided cube. What is the probability they both will show even numbers?
1/4 or 25%
100
What is the probability you pick a red marble out of bag after already picking a red marble when you started out with 6 red marbles a 5 blue marbles?
50%
200
How many different ways can you buy a meal at mcdonalds if there are 10 main items, 4 sides, and 12 drinks?
480
200
6! ÷ 4!
30
200
What are the odds you pick a cat to a dog when there are 15 cats and 20 dogs?
3:4
200

You spin a spinner numbered 1 through 4 and roll a six-sided cube. What is the probability they both will show prime numbers?

49.5%
200
What is the probability you will get two red marbles in a row when there are 5 red marbles and 6 blue marbles?
18.18%
300
How many different ways can you give someone 25 cents?
13
300
A band is trying to decide their set list, but can only pick 8 songs. How many different ways can they order their set list from 10 of their favorite songs?
1,814,400
300
a jar with with 29 pennies, 16 nickels, 18 dimes, and 9 quarter falls to the floor and breaks. What is the probability you pick up a dime?
Probability 1/4 or 25% 
300
What is the probability or rolling double 5’s with two dice?
3%
300
What is the probability you pull out a red and then a blue marble in a row when there are 7 red marbles and 8 blue marbles?
26%
400
Using only paper bills, how many different ways can you give someone $20?
10
400
5 families are bringing soda to a family gathering. How many sodas can they bring out of 7 brands?
21
400
A bag of m&ms has 10 blue, 5 red, 2 yellow and 6 green. What are the odds you pick out a red or yellow?
7:16
400
What is the probabilty of ruling doubles, two times in a row?
1/216 or .46%
400
Letters spelling statistics are turned facedown and mixed together. What is the probability you draw two S’s in a row?
6.6%
500
If a bike lock has a four digit combination (numbered 0-9) how many different ways can the code be made?
10,000
500
Of a company of 60 soldiers, 6 are chosen for a special duty. How many different soldier combinations are there?
50,063,860
500
Letter tiles, one with each letter of the English alphabet, are layed facedown on the table. What is the probability that you will draw a vowel?
5/26 or 19%
500
What is the probability a rat will find cheese if there is a fork in the road followed by another fork in the road with cheese only down one path?
1/4 or 25%
500
The names of 12 girls and 13 boys are thrown in a hat. The first name drawn is a girl. What is the probability the next two names drawn are girls?
19 or 20%
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