5.29 According to an article by B.E. Sullivan in Transportation Research (18A, no. 2, 1984, p. 119), 55% of U.S. corporations say that one of the most important factors in locating a corporate headquarters is the “quality of life” for the employees. If five firms are contacted by the governor of Florida concerning possible relocation to that state, find the probability that at least three say the “quality of life” is an important factor in their decision. What assumptions have you made in arriving at this answer?