1.他說正獨立跟相依 那我能直接用老師的公式嗎？ p(e1交集e2)=p(e1)p(e2) 說不是要說明一下，這個公式為何就是獨立相依2.請問這提該如何解 我猜答案是P 作法是另e1為 0-1 e2為收到1的機率 求P(e1|e2)
5.證明不出來耶， 我帶進去是錯誤的，我同學說可能試問這提條件式如何 才會相等 ，如果是這樣該如何解
7.完全看不懂該如何下手 ，謝謝大家幫忙解題～
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Research Space for Linear Algebra & Discrete Mathematics
3 則留言:
第5題我用文氏圖也讀不出題目要的答案
1. I think a simple explanation here is enough
2. Let A: a transmitted bit is actually 0
B: a received bit is 1
P(A|B)=p(A交集B)/p(B)
=(0.3*p)/(0.3*p+0.7*(1-q))
5. It it's obvious that there is something wrong with this statement after drawing out Venn's Diagram
7. you can go check with a probability textbook; if you don't have any idea about it, it's better for you to have learned some probabilities here
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