Probability Finals

The ski club with ten members is to choose three officers for captain, co-captain and secretary. How many ways can those offices be filled?

• 720

• 120

• 10!

• 6

Rhea has 10 basketballs, each of a different colour. She only has time to shoot 5 hoops before going to bed. How many different arrangements can the balls be thrown into the hoops?

• 252

• 120

• 30,240

• 3,628,800

A telephone number in a single area code is composed of 7 digits from 0 to 9. Determine the amount of phone numbers available in the 856 area code if the first digit cannot be 0 or 1.

• 483,840

• 604,800

• 8,000,000

• 10,000,000

7!

• 4050
• 5400
• 5040
• 4500

Find the total number of outcomes for picking a day of the week and a month of the year.

• 19
• 84
• 60
• 210

What is 4! called?

• Fabulous Four

• Final Four

• Four Factorial

• Four Factored

Permutation, combination, or neither?
Rob and Mary are planning trips to 9 countries this year.  There are 13 countries they would like to visit.  They are deciding which countries to skip.

• combination
• permutation
• neither

Permutation, combination, or neither?
There are 45 applicants for three Computer Programmer job positions.

• combination
• permutation
• neither

How many ways can you arrange 2 letters from the word
S Q U A R E?

• 30
• 140
• 320
• 45

An ice cream shop offers a choice of three types of cones and 31 flavors of ice cream.  A customer gets to choose a cone and a type of ice cream.  How many different 1-scoop ice cream cones can a customer order? 

• 34
• 2
• 3
• 93