Answer:
37.5
Step-by-step explanation:
5*15=75 then 75/2=37.5
Answer:
Therefore Mason would be expected to win 50 times.
Step-by-step explanation:
i) probability of flipping a head for a fair coin is 
ii) probability of flipping two fair coins is = 
iii) Therefore if Mason plays 200 times he would be expected to win
=
C is 3/5. D is 1. B is underlined
Answer:

at least means it need to be more or the lowest it can be is 18