Test Review: Probability

A bag contains 5 red balls, 4 blue balls, and 3 green balls. If one ball is drawn and a coin is tossed, how many total possible outcomes are there?

• 6

• 12

• 16

• 24

An online quiz has 6 true-or-false questions. How many different ways can a student answer all the questions?

• 128

• 64

• 32

• 12

A school's drama club has 12 members. The director needs to select 4 members to form a committee. How many different combinations are possible?

• 3,960

• 792

• 495

• 12,000

There are 16 runners in a race. How many different ways can the gold, silver, and bronze medals be awarded?

What is the total number of different arrangements that can be formed using all the letters in the word EXPERIENCE?

A jar contains 25 marbles: 8 red, 10 blue, and 7 green. What is the probability of not selecting a blue marble?

A classroom has 12 girls and 8 boys. Two students are chosen at random without replacement. What is the probability that the first is a girl and the second is a boy?

• 24/95

• 21/95

• 7/100

• 21/100

In a group of 90 students, 40 joined the science club, 30 joined the math club, and 12 joined both. If a student is randomly selected, what is the probability that they joined the science club, given that they did not join the math club?

• 7/15

• 20/39

• 14/30

• 2/5

Tags

CCSS.HSS.CP.B.6

A survey was conducted on employees in three departments: Sales, Marketing, and Engineering. The table below shows the number of employees who attended the training and the number who did not attend.

What is the probability that an employee from the Marketing department attended the training?

Tags

CCSS.8.SP.A.4

A survey was conducted on employees in three departments: Sales, Marketing, and Engineering. The table below shows the number of employees who attended the training and the number who did not attend.

What is the probability that an employee is from the Sales department, given that they attended the training?

Tags

CCSS.HSS.CP.A.4