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Please solve the both questions below both are related with each other , so please do it step wisely thanks...............

Please solve the both questions below both are related with each other , so please do it step wisely thanks...............

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Please solve the both questions below both are related with each other , so please do it step wisely thanks...............

Sea waves. The pmf of the observed number of days per month of high-amplitude waves acting on a sea pier is given below. 1 27 px(x) = 0.38 0.22 0.18 0.13 0.09 0.06 0.03 0.01 X = 4 5 Determine the expected value and variance of X. Sea pier construction. With reference to the data given in Problem1, a contractor is assigned to work on an extension to the sea pier. The contractor finds that the profits Y of the job are directly decreased by the number of days per month Xof high- amplitude waves acting on the sea front. It is estimated that Y = 10,000(10 – X). Determine the pmf of Y and the mean and variance of Y.
Transcribed Image Text:Sea waves. The pmf of the observed number of days per month of high-amplitude waves acting on a sea pier is given below. 1 27 px(x) = 0.38 0.22 0.18 0.13 0.09 0.06 0.03 0.01 X = 4 5 Determine the expected value and variance of X. Sea pier construction. With reference to the data given in Problem1, a contractor is assigned to work on an extension to the sea pier. The contractor finds that the profits Y of the job are directly decreased by the number of days per month Xof high- amplitude waves acting on the sea front. It is estimated that Y = 10,000(10 – X). Determine the pmf of Y and the mean and variance of Y.
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