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9 Cards in this Set
- Front
- Back
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What is the cumulative distribution function?
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cdf
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What is the mean?
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mean (linear)
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what is the variance?
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two formulas
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standard deviation?
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square root of the variance
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equation and graph of uniform random variable
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Parameters: U[a,b]
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What is the mean and variance of a uniform r.v.?
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the mean usually describes the center
note that the mean is equation for midpoint |
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E(aX + bY) = ?
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aEX + bEY
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Var(aX + bY) = ?
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if X and Y are independent
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What is Chebyshev's Inequality?
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*as t gets larger, all the points will concentrate around the mean
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