Mathematics, 25.11.2019 21:31 peachijmin

The number of typographical errors on a page of the first booklet is a poisson random variable with mean 0.2. the number of typographical errors on a page of second booklet is a poisson random variable with mean 0.3. suppose the number of errors on different pages of the same or different booklets is independent. there are 7 pages in the first booklet and 5 pages in the second one. find the probability of more than 2 typographical errors in the two booklets in total.

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The number of typographical errors on a page of the first booklet is a poisson random variable with...