A survey conducted by JCB asked 250 whether or not they have shopped on the new Shopping Mall. HAVE NEVER GENDER HAVE SHOPPED TAL SHOPPED Male 20 70 90 Female 130 30 160 Total 150 100 250 The following table gives the two-way classification of the responses. Suppose one person is selected at random from these 250 persons. Find the following probabilities. (A) The respondent answered has shopped, given that the respondent is a male. (B) The respondent is a female, given that the respondent answered has never shopped.