A student placement center has request from six students for interviews regarding employment with a particular consulting firm, four of these students are math majors. And the other two students are statistics majors. Unfortunately, the interviewer has time to talk with only two of the students these two will be randomly selected from among the six. a. What is the probability that both selected students are statistics majors? b. What is the probability that both students are math majors? c. What is the probability that at least one of the students selected is a statistics major? d. What is the probability that the selected students have different majors?