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Done 6 myopenmath.com AA Chapters 5.1 - 5.2 Homework Score: 8.58/17 8/17 answered Progress saved Done (3) wlc. 0 Question 2 v IZO/1 pt '0 3 8 99 G) Details Find the mean of this probability distribution. Round your answer to one decimal place. Question Help: 8 Message instructor Submit Question i myopenmath.com . Question 10 V E 0.33/1 pt 0 3 2 97 (D Details Data were collected from a survey given to graduating college seniors on the number of times they had changed majors. From that data, a probability distribution was constructed. The random variable X is defined as the number of times a graduating senior changed majors. It is shown below: _\"---I "III\" a. What is the probability that a randomly selected student changed his or her major at least once? .12 .35 .37 .65 .72 b. What is the probability that a randomly selected student changed his or her major at most twice? .12 .23 .35 .88 c. Given that a randomly selected person did change majors, what is the probability that he or she changed majors more than three times? .03 .04 .35 .72