Combinations Permutations Geometric Probability

Find the geometric probability that the spinner lands in the BLUE and RED region as a reduced fraction

• 1/9

• 40/360

• 13/36

• 4/9

Robin has five different pairs of shoes that match with 6 different pairs of socks.  How many shoes-and-socks combinations can she make if she selects one pair of shoes and one pair of socks?

• 1

• 30

• 5!

• 6!

A family of 3 plans to sit in the same row at a movie theater. How many ways can the family be seated in 3 seats?

• 3

• 6

• 1

How many distinct permutations can be formed using the letters of the word TENNESSEE?

• 3780

• 362,880

• 9

• I can't think of another way you could miss this problem so this isn't the correct answer.

Forming a committee of 5 members from 20 people

• Permutation

• Combination

Choosing three of your classmates to attend your party

• Permutation

• Combination

The word "arrange" usually refers to

• Permutation

• Combination

• Probability

• Counting

The word "selection" usually refers to

• Combination

• Permutation

• Probability

• Counting

Find the number of words, with or without meaning, that can be formed with the letters of the word ‘CHAIR’.

• 5

• 3125

• 120

• 25

What is the formula for Permutations?

• n!

• ^n!∕_(n-r)!

• ^n!∕_{(n-r)! r!}

• ^r!∕_{(r-n)! n!}