Given the following probability distributions for variables X and Y: P(x, y)XÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Y 0.4Â Â Â Â Â Â Â 100Â Â Â Â Â Â Â Â Â Â Â Â 200 0.6Â Â Â Â Â Â Â 200Â Â Â Â Â Â Â Â Â Â Â Â 100 a. E(X) and E(Y). b. ÏƒX and ÏƒY. c....

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Given the following probability distributions for variables Xand Y:
P(x,y)XÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Y
0.4Â Â Â Â Â Â Â 100Â Â Â Â Â Â Â Â Â Â Â Â 200
0.6Â Â Â Â Â Â Â 200Â Â Â Â Â Â Â Â Â Â Â Â 100
a. E(X) and E(Y).
b. ÏƒX and ÏƒY.
c. ÏƒXY. d. E(X + Y).
e. Suppose that X represents the number of patients successfullytreated for Malaria and Y represents the number of patientssuccessfully treated for Tuberculosis. And medication A (first rowin the table) has a 40% of effectiveness and medication B (secondrow in the table) has a 60% of effectiveness. Interpret and makestatements based on the calculations you did.

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3.7 Ratings (311 Votes)

First we construct the joint probability table and find themarginal probabilities of X and YYY100200PXX10000404X20006006PY06041a EX 10004 20006 160EY See Answer

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