Poisson,, plz help me..11414

2013-03-25 3:40 am
On average, there are 4 misprints per page in the first proof of a book.

a)Find the probability that a page selected at random has no misprint.

b)Find the probability that a page selected at random has less than 4 misprints.

c)Find the probability that a page selected at random has at least 3 misprints.

d)What is the probability that out of 10 pages selected at random for inspection, exactly 1 page contains no misprint?



An insurance company receives on average 2 claims per week from a certain factory. Find the probability that

b)it receives more than 3 claims in a given week.

b)it receives more than 2 claims in a given fortnight (i.e. two weeks).

c)it receives no claims on a given day, assuming that the factory operates on a 5-day week.

回答 (1)

2013-03-26 4:33 am
✔ 最佳答案
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