Using excel, how to calculate these questions?

A B C D E F G H K L M N Check Prices Online 4.35% Before Shopping 21.74% 4.35% 17.39% O JOUAWN SOOO V O UA W N- 17.39% Use Online Coupons 4.35% 4.35% Use a Smart Phone to Save Money 20 a. What is the probability that a shopper will check prices online before shopping? 21 b . What is the probability that a shopper will use a smart phone to save money? IN C . What is the probability that a shopper will use online coupons? 23 d. What is the probability that a shopper will not use any of these technologies? 24 e. What is the probability that a shopper will check prices online and use online coupons but not use a smart phone? 25 f . If a shopper checks prices online, what is the probability that he or she will use a smart phone? 26 g. What is the probability that a shopper will check prices online but not use online coupons or a smart phone? IN 28 29 30 31