Question

Grandma is sitting on the porch, counting how many dogs and cats passed by the street. Suppose on average six dogs pass by every hour, and three cats pass by every hour. Assume dog and cat occurrences follow independent Poisson processes.

What is the probability that she sees the first dog before she sees the first cat?
What is the probability that she sees the first cat before she sees the second dog?

PLZ help me with this!!!

THX!!

Answer 1