AQR Unit 7 Test Review

The probability that a person likes Pepsi, P(P), is 0.50.  The probability that a person likes Coke, P(C), is 0.70.  The probability that someone likes both, P(P and C), is 0.3. What is the probability that a person chosen at random likes Pepsi or Coke, P(P or C)?

• .80
• .90
• 1.00
• 1.20

Tags

CCSS.HSS.CP.B.7

XTRA:  The probability that a person likes AQR, P(AQR) is 0.80.  The probability that a person likes Pre-Calc, P(PC) is 0.30.  The probability that someone likes both, P(AQR and PC) is 0.20.  What is the probability that a person chosen at random likes AQR or Pre-Calc, P(AQR or PC)?

• .70
• .90
• 1.10
• 1.30

Tags

CCSS.HSS.CP.B.7

Use the Venn Diagram from Review.  If a student is selected at random, what is the probability that the student is in both Football and Band?

• 60/70 = 6/7
• 38/70 = 19/35
• 30/70 = 3/7
• 8/70 = 4/35

Tags

CCSS.HSS.CP.A.1

Use the Venn Diagram from Review.  If a student is selected at random, what is the probability that the student is in neither Football or Band?

• 8/70 = 4/35
• 60/70 = 6/7
• 10/70 = 1/7
• 22/70 = 11/35

Tags

CCSS.HSS.CP.A.1

Use the Venn Diagram from review.  What is the probability that a student is taking Football or Band?

• 10/70 = 1/7
• 30/70 = 3/7
• 60/70 = 6/7
• 1

Tags

CCSS.HSS.CP.A.1

XTRA:  If a student is selected at random, what is the probability that the student is in both Athletics and Theatre?

• 7/60
• 13/60
• 25/60 = 5/12
• 15/60 = 1/4

Tags

CCSS.HSS.CP.A.1

XTRA:  What is the probability that a student is taking Athletics or Theatre?

• 15/60 = 1/4
• 7/60
• 38/60 = 19/30
• 45/60 = 3/4

Tags

CCSS.HSS.CP.B.7

Use the Tree Diagram from review.  What is the probability of getting green on the spinner and head on the coin?

• 2/6 = 1/3
• 1/6
• 2/9
• 1/9

Use the Tree Diagram from review.  What is the probability of red or blue on the spinner and tail on the coin?

• 1/6
• 2/6 = 1/3
• 3/6 = 1/2
• 4/6 = 2/3

Tags

CCSS.HSS.CP.B.7

XTRA:  Use the Tree Diagram from the review.  What is the probability of red or green on the spinner and heads or tails on the coin?

• 1/6
• 2/6 = 1/3
• 3/6 = 1/2
• 4/6 = 2/3

Tags

CCSS.7.SP.C.8B