Probability, Counting Principle, Permutations, and Combinations Quiz

What is the probability of rolling a 4 on a fair six-sided die?

• 1/4

• 1/2

• 1/6

• 1/3

Tags

CCSS.7.SP.C.7A

If there are 5 red balls, 3 blue balls, and 2 green balls in a bag, what is the probability of picking a blue ball at random?

• 1/5

• 3/10

• 4/10

• 2/10

Tags

CCSS.7.SP.C.7B

How many different 3-letter combinations can be made from the letters A, B, C, and D?

• 6

• 12

• 24

• 10

In a group of 10 people, how many ways can a president, vice president, and treasurer be selected?

• 720

• 45

• 100

• 30

If a lock has 4 dials, each labeled with the letters A to E, how many different 4-letter codes are possible if repetition is allowed?

• 20

• 100

• 625

• 120

A committee of 5 people is to be formed from a group of 10 students. How many different committees can be formed?

• 100

• 252

• 50

• 20

If the probability of event A is 0.4 and the probability of event B is 0.3, what is the probability of both events A and B occurring?

• 0.25

• 0.1

• 0.12

• 0.7

In a deck of 52 cards, what is the probability of drawing a heart or a spade?

• The probability is 26/52 or 1/2.

• The probability is 52/52 or 1.

• The probability is 39/52 or 3/4.

• The probability is 13/52 or 1/4.

Tags

CCSS.HSS.CP.B.7

How many different 4-digit PIN codes can be formed using the numbers 0-9 if repetition is allowed?

• 10000

• 1234

• 9999

• 1111

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

Tags

CCSS.7.SP.C.7B