Probability Midpt Check Quiz

Tell whether permutations or combinations are being described:

5 musicians are selected to form a horn section in a band.

• Permutation

• Combination

• Neither

Tell whether permutations or combinations are being described:

4 digits are selected (with possible repetition) to form a code for an alarm system.

• Permutation

• Combination

• Neither

Tell whether permutations or combinations are being described:

4 digits are selected (without repetition) to form a code for an alarm system.

• Permutation

• Combination

• Neither

Tell whether permutations or combinations are being described:

6 dishwashers are ranked for performance by an independent laboratory.

• Permutation

• Combination

• Neither

In how many ways can you answer the questions on an exam that consists of 13 multiple choice questions, each of which has 3 answer choices?

• 1,594,323

• 2197

• 39

• 13!

In how many ways can Mr. Samuilis purchase star wars figures if there are 12 available and he can afford AT MOSt 4 of them?

• 794

• 495

• 48

• 11,880

In how many UNIQUE ways can the letters in the word PAVEMENT be arranged

if all 8 letters are used?

• 20,160

• 40,320

• 56

• 28

How many different ways can a lock code be set when 32 numbers are available and you need a 3 number code. No numbers can be repeated.

• 29,760

• 32,768

• 28,762

• 31,426

A signal is made by placing 3 flags, one above the other, on a flag pole. If there are 6 different flags available, how many possible signals can be flown?

• 120

• 20

• 729

• 216

A person ordering a certain model of car can choose any of 7 colors, either manual or automatic transmission, and any of 6 audio systems. How many ways are there to order this model of car?

• 84

• 42

• 21

• 168