PROBABILITY (PART 1)

Evaluate:  3! 4!

• 4

• 144

• 48

• 120

What do you call an arrangement of finite number of objects taken some or all at a time?  

• COMBINATION

• PERMUTATION

• SELECTION

• SEQUENCE

How many 6-letter codes can be made from the word “MASTER”?

• 288

• 144

• 720

• 180

A customer who wants to buy an automobile has a choice of 3 makes, 5    body styles, and 6 colors. Find how many choices has he in the selection?

• 90

• 14

• 20

• 60

Using the digits 0, 1, 2, 3, 5, 7, 8, how many three-digit numbers can be formed if repetitions are not permitted?

• 20

• 216

• 240

• 180

There are 4 trails that lead to a scout camp on a hill. In how many ways can a scout go to the camp and go down by going up one trail and down by a different trail?

• 20

• 16

• 12

• 24

In how many ways can 4 boys and 4 girls be seated in a row of 8 seats if boys and girls are to occupy alternate seats?

• 1080

• 3120

• 1152

• 3288

Four couples are to sit at a round table. How many different 

sitting arrangements are possible if each couple insists on sitting together?

• 12

• 48

• 60

• 96

Which situation illustrates permutation?

• forming a committee of councilors

• selecting 10 questions out of 15 questions in a test

• choosing 2 literature books to buy from a variety of choices

• assigning rooms to conference participants.

If x = P(7, 4), y = P(8, 4) and z = P(9, 3), arrange x, y, z from smallest to largest.

• x, y, z

• z, x, y

• y, x, z

• x, z, y