Help me solve question 1

Probability and Statistics 20191 Time: 90 minus Test 1 1. You and 9 of your friends each have a male dog. Assuming that you and your friends chose your dog's name randomly from a list of 20 names, compute the probability of the following events. a) Two dogs have the same name. b) There is at least another dog with the same name as your dog's. 10% of the members of a given population are infected by