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Unformatted text preview: AMS AMS AMS AMS 310 310 310 310 Homework Homework Homework Homework 6 Sample Sample Sample Sample Midterm idterm idterm idterm II (due (due (due (due Wed Wed Wed Wed 12/08/2010) 12/08/2010) 12/08/2010) 12/08/2010) NAME NAME NAME NAME _______________________ _______________________ _______________________ _______________________ ID ID ID ID ________________________ ________________________ ________________________ ________________________ 1. (ch5) Time until failure (in years) for a circuit board: ⎩ ⎨ ⎧ ≥ = − . . 2 ) ( 2 w o x e x f x . (a) What is the probability that a circuit board’s lifetime is between 6 months and 2 years? (Answer: 0.350) (b) What is the CDF? (Answer: ⎩ ⎨ ⎧ < ≥ − = − 1 ) ( 2 x x e x F x ) 2. (ch5) The distribution of the amount of gravel (in tons) sold by a particular construction supply company in a given week is a continuous r.v. X with pdf: ⎪ ⎩ ⎪ ⎨ ⎧ ≤ ≤ − = . ....
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This note was uploaded on 12/14/2010 for the course AMS 310 taught by Professor Mendell during the Fall '08 term at SUNY Stony Brook.
 Fall '08
 Mendell

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