Permutations and Combinations Probability

Calculate:

₁₂P₄

• 24

• 132

• 1320

• 11880

Rylan’s basketball team has 11 players. How many ways can his coach choose five starting players (order is not relevant)?

Mathematical Equivalence

ON

There are 12 kinds of Girl Scout cookies for sale. How many ways can Rachel choose three different kinds to buy?

• 220

• 36

• 1320

• 100

There are 10 students in a class: 5 boys and 5 girls. If the teacher picks a group of 3 at random: a) How many groups of 3 girls are possible?​ b) How many total groups of 3 are possible?​ c) what is the probability that everyone in the group is a girl?

• 10

• 120

• 8%

• 60

• 720

• 50%

There are 19 students in a class, the teacher is making groups of 3. What is the probability that Alex, Connor, and Meredith all end up in the same group?

• 969

In a bucket there are 10 balls, every ball is numbered from 1 to 10, if somebody pulls out 3 of this balls randomly, how many combination of could he take.

• C = 120

• C = 220

Determine the value of n and r

A person is going to a candy shop where there are 7 types of flavors, if this person is only going to buy 3, define every combination possible.

Determine the Type of Combination

A man will go on a trip for 3 days, so he will take with him 3 shirts, if he has 7 shirts, how many combination of shirts can he take?

• With Repetition

• No Repetition

Determine the value of n and r

3. A man will go on a trip for 3 days, so he will take with him 3 shirts, if he has 7 shirts, how many combination of shirts can he take?

3. A man will go on a trip for 3 days, so he will take with him 3 shirts, if he has 7 shirts, how many combination of shirts can he take?

• C = 35

• C = 84