document.write( "Question 1138564: Suppose that, on average, in every two pages of a book there is one typographical error, and that the
\n" ); document.write( "number of typographical errors on a single page of the book is a Poisson random variable with a mean of
\n" ); document.write( "½. What is the probability of at least one error on a certain page of the book?
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Algebra.Com's Answer #756369 by Boreal(15235) $\"\"$ $\"About$

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Find the probability of 0 errors, and everything else is at least 1 error.
\n" ); document.write( "P(0) is e^(-0.5)*0.5^1/1!=0.303
\n" ); document.write( "The answer is 1-0.303=0.697 \n" ); document.write( "

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