作者yes1 (真心真意过一生)
看板trans_math
标题 [统计] 随机变数函数分配的题目
时间Wed Dec 22 01:09:11 2004
Numbers are selected at random from the interval (0,1)
(a) If 10 numbers are selected , what is the probability that exactly 5
are less than 1/2?
(b) If 10 numbers are selected , on the average how many are less than 1/2?
(c) If 100 numbers are selected , what is the probability that the average of
the numbers is less than 1/2?
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