I don't know how to do these two problems

A total of 540 customers, who frequented an ice cream shop, responded to a survey asking if they preferred chocolate or vanilla ice cream. . 308 of the customers preferred chocolate ice cream. . 263 of the customers were female. . 152 of the customers were males who preferred vanilla ice cream. What is the probability that a customer chosen at random is a male or prefers vanilla ice cream? 119 180 419 540 0 197 540 38 135If events A and B are independent, which of the following are always true? I. P(A and B) = P(A) x P(B) II. P(B) = P(B A) III. P(A and B) = P(A) x P(B|A) o II only o I and II only o I, II and III o I only