In a Pet Club, 23 members have a dog, 37 members have a cat, 5 members have a hamster, and 10 members have a bird. What percentage of Pet Club members have a cat or a hamster?

Question

In a Pet Club, 23 members have a dog, 37 members have a cat, 5 members have a hamster, and 10 members have a bird. What percentage of Pet Club members have a cat or a hamster? (Assume that each member has one and only one of the above pets.)

Answer 1

Probability have a cat is 37/75. Probability have a hamster i s 5/75. Probability have one or the other is 42/75 = 0.56 = 56%.