Question 421421
{{{P(Y > 5)= 1 - P( Y <= 5)= 1 - e^(-5.8)*(1 + 5.8^1/1! + 5.8^2/2! + 5.8^3/3! + 5.8^4/4! + 5.8^5/5!) = 0.5217  }}}, to 4 decimal places.