Let X denote how long it takes (in hours) to do homework set #2 in MAT271E, and assumethat the density function of X is given byх - 2 if 2

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a) On average, what fraction of students spend more than 2.5 hours on the homework? (Be careful of units!X is deemed to be the number of HOURS spent on the homework.). b) What is the average length of time spent doing the homework? c) If a student spends more than 150 minutes doing the homework, what are the chances that student is done in less than 4.5 hours?

a) On average, what fraction of students spend more than 2.5 hours on the homework? (Be careful of units!X is deemed to be the number of HOURS spent on the homework.). b) What is the average length of time spent doing the homework? c) If a student spends more than 150 minutes doing the homework, what are the chances that student is done in less than 4.5 hours?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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