作者gleam97 (ha)
看板Statistics
标题[问题] 请问这题怎麽算呢
时间Mon May 22 11:57:15 2006
Let the number of chocolate drops in a certain type of cookie have a
Poisson distribution .We want the probability that a cookie of this
type contains at least one chocolate drops to be greater than 0.99.
Find the smallest value that the mean of the distribution can take.
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1F：推 xu3jp68:P(X>=1)>0.99 1-e^-λ >0.99 求λS 05/22 12:01
2F：→ xu3jp68: S不小心按到的 05/22 12:03