Probability Quiz

What is the probability of rolling a number greater than 5 on a standard die?

• 1/6

• 1/3

• 1/2

• 2/3

What is the probability of drawing a card that is neither red nor black from a standard deck of 52 cards?

• 0

• 1/4

• 1/2

• 3/4

Neil has 131  songs on a playlist.  He's categorized them in the following manner:  12 blues, 14 rock, 26 pop, 17 hip hop, 7 country, 22 classical, and 33 rap.  If Neil begins listening to his playlist on shuffle, what is the probability that the first song played is a rock song?  Express your answer as a fraction in lowest terms.

• 17/131

• 14/131

• 117/131

• 1/2

You are ordering a new home theater system that consists of a TV, surround sound system, and DVD player.  You can choose from 20  different TVs, 8 types of surround sound systems, and 9 types of DVD players.  How many different home theater systems can you build?

• 1

• 2,089

• 37

• 1,440

A mother duck lines her  7 ducklings up behind her.  In how many ways can the ducklings line up?

• 5040

• 21

• 7

• 49

Customer account "numbers" for a certain company consists of  3 letters followed by 3 numbers.  How many different account numbers are possible if repetitions of letters and digits are not allowed?

• 9

• 1,352,000

• 11,232,000

• 6

Ashlee was born on 08/28/1992.  How many eight-digit codes could she make using the digits in her birthday?

• 10,080

• 5,040

• 40,320

• 64

There are  16 horses competing in a show.  In how many ways can the blue, red, and yellow ribbons be awarded?

• 560

• 43,680

• 3,360

• 4,096

Mikey sets up a passcode on his smart phone, which allows only 9-digit codes.  A spy sneaks a look at Mikey's smart phone and sees his fingerprints on the screen over nine numbers.  What is the probability the spy is able to unlock the smart phone on his first try?  Express your answer as a fraction in lowest terms.

• 1/362,880

• 362,880

• 81

• 1/81

What is the probability that a card selected at random from a standard deck of 52 cards will be a club or a face card?

• 23/52

• 25/52

• 11/26

• 1/4