AP Stats Chapter 7 Notes: Random Variables
Suppose X has the following probability distribution. Probability Distribution of the Number of Imperfections. x f(x) 0 0.40 1 0.30 2 0.15 3 0.10 4 0.05 1.00 Note that the sum of the probabilities is 1. f(x) = 1 The random variable X assumes the number of imperfection found, i.e. there can be 0,1,2,3, or 4 imperfections on the roll. ................
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