Conditional Probability Unit Review

Consider the following table with information about all of the students taking Statistics at Happy High School.

Find P( Full-time | Male)

• 7/3

• 3/10

• 3/7

• 4/7

The spinner is divided into eight equal parts. Find the theoretical probability of landing on the given section of the spinner.P(white)=

• 1/8
• 5/8
• 7/8
• 3/7

A bag contains some red-colored and some blue-colored marbles. First a red-colored marble is drawn and then, without replacing the first marble, a blue-colored marble is drawn. Are the two events dependent or independent?

• Independent
• Dependent

Are the events INDEPENDENT or DEPENDENT?

Finding your calculator is not working and finding your refrigerator is not working

• Independent

• Dependent

A coin is tossed and a number cube is rolled. Find the probability,  P(heads and 7).

• 1/14
• 1/2
• 0
• 1/7

The two-way table above gives information about the grades for the semester in Mrs. Hardcase’s English class.

What is the probability a randomly selected student got an A or B for the semester?

• 15/100

• 20/100

• 35/100

• 65/100

The two-way table above gives information about the grades for the semester in Mrs. Hardcase’s English class.

What is the probability a randomly selected student earned a passing grade?

• 20/100

• 35/100

• 65/100

• 87/100

The two-way table above gives information about the grades for the semester in Mrs. Hardcase’s English class.

Given that the grade is a B, what is the probability of the student being male?

• 6/15

• 9/15

• 6/56

• 9/44

Chelsea surveyed a sample of students in the senior class to determine the distribution of students with a driver’s license.

What is the probability a randomly selected student is female and can drive?

• 15/60

• 48/60

• 33/120

• 48/120

Each of the letters in MATHEMATICS are on separate cards, face down on a table.  If you pick a card at random, what is the probability that the card will be a vowel? 

• 5/11

• 3/10

• 7/11

• 4/11