There is one male baby seal for each nine baby female seals. Assume the probability of choosing a male baby seal is 1/10. If biologists want to be 95% sure that they will find at least one baby seal,...

There is one male baby seal for each nine baby female seals. Assume the probability of choosing a male baby seal is 1/10.

If biologists want to be 95% sure that they will find at least one baby seal, they will have to inspect at least how many seals?

The expected number of baby seals they will have to inspect until they find the first male is?