P(X=x) = kx x=1,2,3
k(x+1), x=4,5
Where K is a constant, find the value of K
Random Discrete Variables?
2010-03-09 6:13 pm
回答 (1)
2010-03-09 6:18 pm
✔ 最佳答案
All probabilities should add up to 1:P(1) + P(2) + P(3) + P(4) + P(5) = 1.0
k * (1 + 2 + 3) + k * (5 + 6) = 1.0
-->
k * (6 + 11) = 1.0
-->
k = 1/17
收錄日期: 2021-05-01 13:09:38
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