Q6-B-8 points    In a certain state, all license plates cons…

Q6-B-8 points    In a certain state, all license plates consist of from 4 to 6 symbols chosen from the 26 letters together with the ten digits (0-9) a) How many license plates are possible, repetition allowed ? b) What is the probability that license plates chosen at random have at least one repeated symbol?

Q13-A-8 points Use Kruskal’s algorithm to find a minimum spa…

Q13-A-8 points Use Kruskal’s algorithm to find a minimum spanning tree for the following graph. Indicate the order in which edges are added to form the tree. (Enter your answer as a comma-separated list of sets.) The following matrix represents the weighted graph of this question: