1zz5test2version2

# 1zz5test2version2 - Math 1ZZ5 Test #2 (Version 2) Friday...

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Math 1ZZ5 Test #2 (Version 2) Friday February 12, 2010 Name :___________________________________________ (Last Name) (First Name) Student Number: _____________________ This test consists of 16 multiple choice questions worth 1 mark each (no part marks), and 1 question worth 1 mark on proper computer card filling. Questions must be answered on the COMPUTER CARD with an HB PENCIL. Marks will not be deducted for wrong answers (i.e., there is no penalty for guessing). You are responsible for ensuring that your copy of the test is complete. Bring any discrepancy to the attention of the invigilator. Calculators are NOT allowed. 1. Suppose that the lifetime of an electrical component (measured in hours) has the following exponential probability density function, 0ÐBÑ œ /B   ! !B ! " "! BÎ"! Fill in the blank. 80% of these electrical components last longer than ____________ hours. (a) (b) (c) (d) (e) ) "! ) "! ) ln ln ln ln ln "" "% " "! & "! & # 2. Evaluate the following improper integral, # \$ " B# .B (a) (b) (c) (d) (e) 3 2 divergent 1 0 3. In Maple, what command would give the area between the curves and for Cœ0ÐBÑ Cœ1ÐBÑ +ŸBŸ,

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## This note was uploaded on 02/22/2011 for the course CS 1112 taught by Professor Dr.d during the Fall '11 term at McMaster University.

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1zz5test2version2 - Math 1ZZ5 Test #2 (Version 2) Friday...

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