1. Tony rolls two dice 800 times. How many times that the total number of dots on the two dice are fewer than 6 would you expect him to obtain?
2. A tourist group has 12 Europeans, 9 Chinese and 18 Americans. A tourist is taken randomly from the group. Calculate the probability that the tourist is: a). a Chinese; b). a European; c). a Chinese or a European; d). not a Chinese.