Chapter 6 Examples

Chapter 6 Examples - 0.2 1. What is the expected value...

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Chapter 6 Q. Are the following functions probability mass functions (PMF) & why? P(X=x) = 343 - ! ! x x for x = 0, 1, 2, 3 P(X=x) = x9 for x = 4, 9, 16 (and zero elsewhere) Q. Consider the following data X -3 -2 -1 0 1 2 P(x) 0.1 0.2 0.2 0.2 0.1
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Unformatted text preview: 0.2 1. What is the expected value E(X)? 2. What is the variance? 3. What is the standard deviation? 4. What is the value of P(X<1)? 5. What is the value of P(X>-1)? 6. What is the value of P(-2<X<1)?...
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