Unit 6 Practice Test - Multiple Choice

What vocabulary word/phrase has the definition below?

“The ratio of the number of times an event occurs to the total number of trials.”

• Compound Event

• Experimental Probability

• Theoretical Probability

• Simple Event

There are 4 kings in a standard deck of 52 playing cards. If Asia selects a card at random, what is the probability that it is not a king?

• 37.5%

• 58%

• 62.5%

• 85%

The probability that Jenya receives spam e-mail is 4 percent. If she receives 520 e-mails in a week, about how many of them can she expect to be spam?

• 18

• 21

• 25

• 29

Vinay made a password that consists of 3 digits (0-9). None of the digits are the same. How many possible passwords did Vinay choose from?

• 30

• 100

• 720

• 1,000

The probability of an event is 0.001. Which of the following best describes the event?

• The event is impossible

• The event is unlikely

• The event is likely

• The event is certain

Alexa spins a spinner that is divided into equally-sized red, green, and blue sections. What is the probability that Alexa spins orange?

• 0

• 1

• 16

• 24

• 25

• 40

Yaron has a box of pencils: 5 pencils are green, 12 are brown, 6 are yellow, and 4 are blue. If he selects a pencil at random, which color pencil would he be least likely to select?

• Green

• Brown

• Yellow

• Blue

Wendy noticed that out of 345 cars that passed by her house 56 were SUVs. About how many SUVs could she expect to see pass by if 2,100 cars were to pass her house?

• 250

• 300

• 350

• 400