document.write( "Question 1152222: Suppose that in a certain area there are on average 5 accidents per month, that is X=number of accidents ∼Poi(5). Find the probability of 4 accidents in a given month. \n" ); document.write( "
Algebra.Com's Answer #774334 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
this is e^(-5)*5^4/4! from formula P(X)=e^(-lambda)*lambda^x/x!
\n" ); document.write( "This is 0.1755
\n" ); document.write( "
\n" );