Question 1130849
This is the probability of 0, 1,2,and 3
for 0, e^(-7)*7^0.0!=0.0009
for 1, it is that number *7^1/1! or 7 times that or 0.0064 (not rounded until the end)
for 2, it is that number *7^2/2! or 24.5 times that or 0.0223
for 3, it is 7^3/3! or 343/6 times that or 0.0521
 
From calculator, it is 0.0818

More than 3 is the complement or 0.9182