[問題] 北科工管91考題

看板Statistics作者 (阿榮)時間20年前 (2006/05/04 13:21), 編輯推噓0(0推 0噓 0→)
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1. prove that if X~N(u,sigma^2) and let Z= x-u/sigma then Z have mean = 0 and standard deviation = 1 2. If the random variable X has an exponential distribution with parameter lamda. Find the probability that X greater than its mean. -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 210.85.114.238
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文章代碼(AID): #14MOzU9x (Statistics)