13) The board of directors for a particular company consists of 10 members, 6 of whom are loyal to the current company president and 4 of whom want to fire the president. Suppose the chair of the board (who is a loyal supporter of the current president) suggests to randomly select 4 other board members to serve on a committee to decide the president's fate. There are 4 questions following the table below. Find the probability for the first 3 questions and explain your answer for the fourth question.