作者tyrone208 (等待)
看板Statistics
标题[问题] 麻烦了
时间Mon Dec 5 21:16:04 2005
The weight(in pounds)of watermelons is normally distributiond with
mean 15 and variance 4. A packing container for several melons has a
normal capacity of 140 pounds.What is the Maximum number of melons that
should be placed in a single packing container if the normal weight limit
is to be exceeded only 5% of the time?
求样本数 但是想了很久想不出来
可以帮小弟解惑一下吗 谢谢
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