document.write( "Question 386729: It has been recorded that the average number of errors in a newspaper is 4 mistakes per page. What is the probability of having 1 or 2 errors per page? \n" ); document.write( "
Algebra.Com's Answer #273453 by robertb(5830)\"\" \"About 
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\"P%281%29+%2B+P%282%29+=+e%5E%28-4%29%284%5E1%2F1%21+%2B+4%5E2%2F2%21%29+=+0.21979\", to five decimal places. (This is by use of the Poisson probability distribution.) \n" ); document.write( "
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