In: Statistics and Probability
So, roll a fair 6-sided dice once, and if the result is 1,2,3, or 4 then toss a fair coin 3 times.
If the first result is 5, 6, then toss a fair coin until two tails show up.
Then, what is the expected value of number of heads?
PLZ help me with this!!!
THX soooooo much!