please help! I'm not good at these types of problems

A recent social survey asked respondents whether they like Apple or Microsoft. The responses were recorded in the following table.

a. A respondent is randomly selected among those that prefer Apple, what is the probability that the respondent will be female?
b. A respondent is randomly selected among those that are Male, what is the probability that the respondent prefers Apple?
c. What is the relative frequency of a female who prefers Microsoft?

please help Im not good at these types of problems A recent social survey asked respondents whether they like Apple or Microsoft The responses were recorded in class=