Question 380361
The key word "At most 2 newspapers" means X<=2


P(X<=2) = P(X=0) + P(X=1) + P(X=2)


P(X<=2) = 0.15 + 0.35 + 0.35


P(X<=2) = 0.85



So the probability that a household receives at most 2 daily papers is 0.85 (ie an 85% chance)