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6 Cards in this Set
- Front
- Back
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Conditions for binomials
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1) 2 options for each trial
2) Constant probability for success 3) Trials are independent 4) Finite number of trials |
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Expected (mean) value of X for binomials
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p * n
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Standard deviation of X for binomials
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Square root of (n * p * q)
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Expected (mean) value of X for standard random variables
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ξ(x * p(x))
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Standard deviation of X for standard random variables
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1) Find ξ(X squared) * p(x).
2) Subtract the mean of (x squared). 3) Find the square root. |
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Finding probability with geometrics
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geometcdf(prob. of succes, # of trials)
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