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Quiz 3
Name: __________________________
September 18, 2009
Purdue students were polled to see if they were still living at home.
Of those students
polled, you randomly select a male and a female student.
The probability the male student is still living at home is .55
The probability the female student is still living at home is .40
The probability that both students are still living at home is .25
Let M be the event that a male student is still living at home, and let F be the event that a
female student is still living at home.
1.
Draw a Venn Diagram to represent the data.
2.
What is the probability that at least one of the students is living at home?
P(M U F) = .30 + .25 + .15 = .70
3.
What is the probability that exactly one student is living at home?
P(only Male is living at home) + P(only female is living at home) = .30 + .15 = .45
M
F
.25
.30
.15
.30
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View Full DocumentQuiz 3
Name: __________________________
September 18, 2009
Purdue students were asked to answer the following question: “Will the Big 10 or the
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 Fall '08
 MARTIN
 Probability

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