MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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M-3 Please I need help with this question needed very clearly and step by step explanation and NEEDED ONLY TYPED SOLUTIONS PLEASE NO HANDWRITTEN please, will be really appreciated for your help.

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3. The amount of CPU time (measured in hours) an trading firm uses per week is a random variable H with the following pdf: S(h) = {ah?(4 – h); 0<h<4 0; otherwise (a) Find the expected value and standard deviation of weekly CPU time. (b) The CPU time costs the firm $200 per hour. Find the expected value and standard deviation of the weekly cost for CPU time. (c) Would you expect the weekly cost to exceed $600 very often? Either calculate exact proba- bilities, or use Chebyshev's inequality (from HW5) to support your answer.
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Transcribed Image Text:3. The amount of CPU time (measured in hours) an trading firm uses per week is a random variable H with the following pdf: S(h) = {ah?(4 – h); 0<h<4 0; otherwise (a) Find the expected value and standard deviation of weekly CPU time. (b) The CPU time costs the firm $200 per hour. Find the expected value and standard deviation of the weekly cost for CPU time. (c) Would you expect the weekly cost to exceed $600 very often? Either calculate exact proba- bilities, or use Chebyshev's inequality (from HW5) to support your answer.
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