A manufacturing company employs two inspecting devices to sample a fraction of t

Question

A manufacturing company employs two inspecting devices to sample a fraction of their output for quality control purposes. The first inspection monitor is able to accurately detect 99.3% of the defectve items it receives, whereas the second is able to do so in 99.7% of the cases. Assume that four defective items are produced and sent out for inspection. Let X and Y denote the number of items that will be identified as defective by inspecting devices 1 and 2, respectively. Assume the devices are independant. Determine...
A. fxy(x,y)

B. fx(x)

C. E(X)

D.fy|2(y)

E. V(Y|X = 2)

Explanation / Answer

A manufacturing company employs two inspecting devices to sample a fraction of t

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