Question

4 Foxes and 7 Hounds enter a cave in a straight line following a random ordering, find the expected no of foxes that are immediately followed by a Hound.

Answer 1

the expected no of foxes that are immediately followed by a Hound is 14/55

Explanation:

P(foxes)= 4/11 p(hounds)=7/11

the expected no of foxes that are immediately followed by a Hound.

= 4/11* 7/10

=14/55