3) Suppose X is a discrete variable that has the following pr function (pdf) f (X) 1. 0.40 0.20 3 0.15 4. 0.25 a) Calculate the cumulative distribution function (the b) Find the expected value,...


3) Suppose X is a discrete variable that has the following pr<br>function (pdf)<br>f (X)<br>1.<br>0.40<br>0.20<br>3<br>0.15<br>4.<br>0.25<br>a) Calculate the cumulative distribution function (the<br>b) Find the expected value, showing your work: E(X)<br>c) Find the variance, showing your work: Var (X)<br>

Extracted text: 3) Suppose X is a discrete variable that has the following pr function (pdf) f (X) 1. 0.40 0.20 3 0.15 4. 0.25 a) Calculate the cumulative distribution function (the b) Find the expected value, showing your work: E(X) c) Find the variance, showing your work: Var (X)

Jun 09, 2022
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