2. (10 points) Six hundred paving stones were examined for cracks, and 15 were found to be cracked. The same 600 stones were then examined for discoloration, and 27 were found to be discolored. A total of 562 stones were neither cracked nor discolored. One of the 600 stones is selected at random. For each of the following events, draw the event space for the scenario described above and shade in the area representing the event. Use it to calculate the probability of the event. a. The block is cracked, discolored, or both. b. The block is both cracked and discolored. c. The block is cracked but not discolored.