SOLUTION: 3- The probability of a typographical error on any page is 0.002. If a textbook contains 1,000 pages, using Poisson probability table compute the probability there are: a. No typo

Question 1177177: 3- The probability of a typographical error on any page is 0.002. If a textbook contains 1,000 pages, using Poisson probability table compute the probability there are:
a. No typos on a page b. At least 2 typos on a page

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!


Hi
Poisson Distribution:

a.  = .998

Or Using TI or similarly an inexpensive calculator like a Casio fx-115 ES plus 
P(7) = poissonpdf(mean, x-value) = poissonpdf(.002, 0) = .998

b. P(x ≥ 2) = 1 - P( x ≤ 1) = 1 - P(0) + P(1) = 1 - .998 + .001996  = 0
or
1 - poissoncdf(.002, 1)  = 1 -0.9999980027 = basically 0
Wish You the Best in your Studies.

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