Reba Tosses a Coin 20 Times

Multiple Choice

Reba tosses a coin 20 times. She obtains 14 heads and 6 tails. Reba concludes that this coin is not a fair coin. Which of the following is true?

A) Reba is probably right, because if the coin were fair, she would have obtained exactly 10 heads and 10 tails.
B) Reba is probably right if the outcome of heads cluster together instead of being spread out.
C) Reba is probably wrong, because theoretical probability never happens in real life.
D) Reba is probably wrong, because empirical probability approaches theoretical probability only with an infinitely large number of tosses.