P0046_Soln

# P0046_Soln - P0046_Soln EX = x X p x n k nk p)= p p 1 Xk k...

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P0046_Soln.doc EX [ ] = xp X x (29 x p X k (29 = n k p k 1 - p ( 29 n - k n = 6 p = 0 .05 k p X k (29 = n k p k 1 - p ( 29 n - k 0 p X k = 0 ( 29 = 6 0 0.05 0 1 - 0.05 ( 29 6 - 0 = 0.7351 1 p X k = 1 ( 29 = 6 1 0.05 1 1 - 0.05 ( 29 6 - 1 = 0.2321 2 p X k = 2 ( 29 = 6 2 0.05 2 1 - 0.05 ( 29 6 - 2 = 0.0305 3 p X k = 3 ( 29 = 6 3 0.05 3 1 - 0.05 ( 29 6 - 3 = 0.0021 4 p X k = 4 ( 29 = 6 4 0.05 4 1 - 0.05 ( 29 6 - 4 = 8.5x10 - 5 5 p X k = 5 ( 29 = 6 5 0.05 5 1 - 0.05 ( 29 6 - 5 = 1.8x10 - 6 6 p X k = 6 ( 29 = 6 6 0.05 6 1 - 0.05 ( 29 6 - 6 = 1.6x10 - 8 EX [] = xp X x ( 29 x = 0 ( 29 0 .7351 ( 29 + 1 ( 29
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