Question

http://prntscr.com/7a392q

Answer 1

@gaos

Answer 2

The probability of "heads" is ½ and the probability of "tails" is ½.
This means that if we flip this coin several times, we expect it to land on "heads" for half of the time.
If we flip the coin 100 times, we would expect it to land on "heads" 50 times, because ½ × 100 = 50.

Answer 3

thank you