求解 请高手指点
The Turkuman Rug Company buys medium grade carpet in 100-foot rolls. The average number of defects per roll is 1.8. Assuming that these data follow a Poisson distribution, use the Poisson spreadsheet template to answer the following questions.
a. What is the probability of finding exactly 7 defects in a carpet roll chosen at random?
b. What is the probability of finding 4 or fewer defects in a carpet roll?
a. What is the probability of finding exactly 7 defects in a carpet roll chosen at random?
b. What is the probability of finding 4 or fewer defects in a carpet roll?
没有找到相关结果
已邀请:
RSS Feed
2 个回复
JimmyYin (威望:222) (江苏 苏州) 电子制造 工程师 - Process Quality Control
赞同来自: DeonQin
I never tell a lie, if you still ask questions in English, you will not get any answer.