Probability Diagrams Quiz

A and B are events in a sample space S such that P(A) = 0.6 and P(B) = 0.5, and P (A and B) = 0.3. What is the probability that A occurs but B does not?

• 0.3

• 0.6

• 0.8

• 0.2

Tags

CCSS.HSS.CP.B.7

A and B are events in a sample space S such that P(A) = 0.6 and P(B) = 0.5, and P (A and B) = 0.3. What is the probability that A or B occurs?

• 0.3

• 0.6

• 0.8

• 0.2

Tags

CCSS.HSS.CP.B.7

A and B are events in a sample space S such that P(A) = 0.6 and P(B) = 0.5, and P (A and B) = 0.3. What is the probability that neither A nor B occurs?

• 0.3

• 0.6

• 0.8

• 0.2

Tags

CCSS.HSS.CP.B.7

A and B are events in a sample space S such that P(A) = 0.2 and P(B) = 0.7, and P (A or B) = 0.5. What is the probability that A and B occurs?

• 0.4

• 0.9

• 0.5

• 0.2

Tags

CCSS.HSS.CP.B.7

A and B are events in a sample space S such that P(A) = 0.6 and P(B) = 0.5, and P (A and B) = 0.3. What is the P(B|A)?

• 0.5

• 0.6

• 0.8

• 0.2

Tags

CCSS.HSS.CP.A.5

CCSS.HSS.CP.A.3

The probability that we have pizza for dinner is 0.75. The probability of watching Friends is 0.6. The probability that we have pizza for dinner and watch Friends is 0.4. What is the probability of having pizza for dinner given that we do watch Friends?

• 0.67

• 0.53

• 0.24

• 0.28

Tags

CCSS.HSS.CP.B.6

The probability that you stop for coffee in the morning is 0.6 if you leave the house late. The probability that you stop for coffee in the morning is 0.9 if you leave the house on time. If the probability that you leave the house on time is 0.7, what is the probability that you get coffee?

• 0.81

• 0.54

• 0.63

• 0.42

Tags

CCSS.HSS.CP.B.6

The probability that a student is taking Spanish is 0.67 and the probability that a students is taking Math is 0.89. If the probability of a student taking both Spanish and Math is 0.62, what is the probability that a student is taking Spanish or Math?

• 0.94

• 0.156

• 0.60

• 0.38

Tags

CCSS.HSS.CP.B.7

Suppose that 60% of students study for the final exam in Organic Chemistry. From previous records, the professor knows that 86% of students who study will pass the exam and that 32% of students who do not study will pass the exam. What is the probability that a student chosen at random passes the exam?

• 0.644

• 0.536

• 0.752

• 0.481

Two jars are on a table. One jar contains 5 red markers and 5 blue markers. The other jar contains 2 red markers and 8 blue markers. If one jar is selected and then one marker is selected from the jar, what is the probability that the marker is blue?

• 0.65

• 0.45

• 0.8

• 0.5