1. On February 1. EDGE, the Space Shuttle Columbia exploded. This was the second disaster in 113 space missions for NASA. [in the basis of this information. what is the probability that a future mission is successfully completed? (3 Marks) 2. A sample of executives were surveyed about loyalty to their company. One of the questions was, "if you were given an offer by another company equal to or slightly better than your present position, would you remain with the company or take other position?" The responses of the EDD executives in the survey were crossclassied with their length of service with the company: Len. of service Less than 1 1-5 years 6-10 years More than L l ' ' T tal 10 Years, B4 remain, A1 ---n remain,J'-12 105 son a. 1F.I"-.I"hat is the probability of selecting an executive with more than 10 years of service? (2 Marks) b. 1F.I"-.I"hat is the probability of selecting an executive who would not remain with the company; given that he or she has more than it] years of service? (3 Marks) c. 1F.I"-.I"hat is the probability of selecting an executive with more than 10 years of service or one who would not remain with the company? (3 Marks]