2500_Exam1_Su2011

# 2500_Exam1_Su2011 - Name RIN Exam 1 Engineering Probability...

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Name: _______________________________ RIN#: _______________________________ Exam 1 Engineering Probability ECSE-2500 July 15, 2011 Points Score 1 20 2 20 3 20 4 20 5 20 Total 100 Rules : Show all work. You have 90 minutes to take this exam (120 if you really need it). You are allowed one 8.5 x 11 inch piece of paper with nothing written on one side. You may use a calculator, but no programmable features. No communication devices of any kind. All cell phones off. This exam has 7 pages including this cover page.

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Exam 1, ECSE-2500, Summer 2011 Page 2 1. (20 points). 1.a. (5 points) Four identical fair coins are tossed. We count the number of heads. What is the simplest and smallest sample space we can use for this problem? Justify your answer. 1.b. (5 points) What set in your sample space in part (a) represents the event that either 3 or 4 heads occur? 1.c. (5 points) A penny, a nickel, a dime, and a quarter are all fair coins. All four are tossed. We record the heads or tails of each coin separately.
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## This note was uploaded on 11/29/2011 for the course ECSE 2500 taught by Professor Radke during the Spring '11 term at Rensselaer Polytechnic Institute.

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2500_Exam1_Su2011 - Name RIN Exam 1 Engineering Probability...

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