joint probability table

joint probability table

quest 2 excel file.xls 

a. find probability that A occurs

b. find probability that B2 occurs

c. find probability that Ac and B4 occur

d. given that B2 has occurred, what is the probability that A occurs…round intermediate calculations/final answer 4 decimals

e. given that A has occurred, what is the probability that B4 occurs…round intermediate calculations/final answer 4 decimals