Two methods of measuring surface smoothness are used to evaluate a paper product. The measurements are recorded
Question:
Two methods of measuring surface smoothness are used to evaluate a paper product. The measurements are recorded as deviations from the nominal surface smoothness in coded units. The joint probability distribution of the two measurements is a uniform distribution over the region 0 < x < 4, 0 < y, and x − 1< y < x + 1. That is, fXY(x, y) = c for x and y in the region. Determine the value for c such that fXY (x, y) is a joint probability density function.
Determine the following:
(a) P(X <0.5, Y <0.5)
(b) P(X <0.5)
(c) E(X)
(d) E(Y )
(e) Marginal probability distribution of X
(f) Conditional probability distribution of Y given X = 1
(g) E(Y | X = 1)
(h) P(Y <0.5 | X = 1)
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Step by Step Answer:
Applied Statistics And Probability For Engineers
ISBN: 9781118539712
6th Edition
Authors: Douglas C. Montgomery, George C. Runger