Question 1100385
Look at 0 to 5
e^(-5)*5^0/0!=0.0067
e^(-5)*5=0.0337
e^(-5)*5^2/2=0.0842
e^(-5)*125/6=0.1404
e^(-5)*625/24=0.1755
e^(-5)*3125/120=0.1755
a.  At most 5 is the sum 0.6150
b.  More than 2 is 1- 2 or fewer or 1-0.1246=0.8754