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W1211 Introduction to Statistics Midterm Exam
Oct 20, 2006
Name (write clearly!):
1. Please
print
your name in the above space.
2. This is a 2 hr examination. Plan your time accordingly.
3. This is a closed book examination. You are allowed to have a cheat sheet of formulas. You
should also have your hand calculator with you.
4. If you do not have enough room for your work in the place provided, use the back of a nearby
page. However, be sure to mark clearly which problem the material on the back of the page
refers to. If you pull the pages apart, sign all pages.
5. To receive full credit you must
make it completely clear
how you arrived at your answer.
6. Some problems have several parts. You may be able to answer a part even if you did not
answer the preceding parts.
Question 1
15
Question 2
15
Question 3
15
Question 4
15
Question 5
20
Question 6
20
Total
100
1
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View Full Document1. Two fair dice are tossed. Find the probability that their sum is less than 6.
2. The probability density function of a continuous random variable
X
is given by
f
(
x
) =
2
x
0
< x <
0
.
5
4
3

2
3
x
0
.
5
≤
x <
2
0
otherwise.
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 Spring '08
 Hernandez
 Statistics

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