Mathematics, 26.11.2019 01:31 bndkdiwjdjd

Abook has 200 pages. the number of mistakes on each page is a poisson random variable with mean
0.01, and is independent of the number of mistakes on all other pages.
(a) what is the expected number of pages with no mistakes?
(b) a person proofreading the book finds a given mistake with probability 0.9. what is the expected number of pages
where this person will find a mistake?
(c) what, approximately, is the probability that the book has two or more pages with mistakes?

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Abook has 200 pages. the number of mistakes on each page is a poisson random variable with mean