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- Calculate expectation of a geometric random variable
Calculate expectation of a geometric random variable Ask Question Asked 11 years, 6 months ago Modified 1 year, 8 months ago
- Expected value of a Gaussian - Mathematics Stack Exchange
I am trying to find the expected value of a univariate gaussian distribution After trying to calculate the integral by hand I noticed that my calculus is not good enough for it yet (I would need
- what is the expectation of - Mathematics Stack Exchange
Actually my question arises from the definition of E[XY] E [X Y], why is it defined as the integral of xyf(x, y) x y f (x, y)? If so, what is the expectation of xy2 x y 2?? Thank you very much
- What is the difference between Average and Expected value?
The concept of expectation value or expected value may be understood from the following example Let X X represent the outcome of a roll of an unbiased six-sided die
- Calculate the expected value of - Mathematics Stack Exchange
Look at the quadratic expression − + x + x and complete the square Then the rest of the integration will be straightforward, since you know ∞ e dt ∫ d t Remark: you have done the integration, you might want to look up the of your normal You want the value of the mgf at t = t = This will give you a check on whether your computation was correct
- Expected Value of a Binomial distribution? - Mathematics Stack Exchange
The linearity of expectation holds even when the random variables are not independent Suppose we take a sample of size n n, without replacement, from a box that has N N objects, of which G G are good The same argument shows that the expected number of good objects in the sample is nG N n G N
- The expectation of an expectation - Mathematics Stack Exchange
This may seem trivial but just to confirm, as the expected value is a constant, this implies that the expectation of an expectation is just itself It would be useful to know if this assumption is
- measure-theoretic definition of expectation - Mathematics Stack Exchange
measure-theoretic definition of expectation Ask Question Asked 10 years, 4 months ago Modified 10 years, 4 months ago
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