Question

In a class of 30 students, 18 have a cat and 17 have a dog. There are 7 students who

have a cat and a dog. What is the probability that a student chosen randomly from the
class has a cat and a dog?

Answer 1

Answer:12. because 3 out of 6 groups of 5 is 3 x 6 or 18 children with dogs. so 12 children out of 30 have cats.

Explanation: