Engineering Probability
Mid Term Exam #1, October 1
st
, 2009
Last name of student
Student ID number
First name of student
Email address
Do This First:
1.
Make sure that you have all the pages of the exam book.
2.
Fill in the above information.
Exam Rules:
1.
This is a 75 minutes exam.
2.
The syllabus includes all of Chapter and 2, and Sections 3.1, 3.2, 4.1 and 4.2.
3.
This is NOT an Open Book and Notes Exam. You are allowed one A4 sized crib
sheet with only one side used.
4.
You are not allowed to consult any other student.
5.
You may use a calculator, but not a laptop, palmtop or such other computer.
6.
The last page is blank for your use.
Q1
Q2
Q3
Q4
Q5
Total
20
20
20
20
20
100
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2.
The ECSE department has 35 professors, 20 of whom drive foreign cars and the
remaining 15 drive domestic cars. Of the 20 foreign cars, 5 are German while the
remaining 15 are Japanese.
a.
What is the probability that a randomly picked professor drives a foreign car? (6
pts)
b.
If five professors are picked randomly, what is the probability that 3 of them drive
a domestic car? (7 pts)
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 Spring '11
 Radke
 Probability theory, 20%, 6 pts, 1 L, 2 L

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