Probability Using Venn Diagrams

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Which of the following statement(s) represent a 'mutually exclusive event'?

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Which of the following statement(s) represent when 'Event A is certain'. (MULTIPLE ANSWERS)

• Pr(A)=1

• Pr(A)=0

• Pr(A')=1

• Pr(A')=0

What is P(not sport | Foreign language)?

• 23/37

• 14/23

• 14/37

• 3/23

What is P(not Sport | not Foreign Language)?

• 23/26

• 14/23

• 3/13

• 7/13

What is P(Foreign language | Sport)?

• 14/27

• 7/12

• 23/47

• 37/47

How many senior boys play football or wrestle?

• 9

• 21

• 30

• 39

What is the probability that someone plays basketball?

• .50

• .68

• .52

• .46