The probability of getting a "Heads" when tossing a fair coin is 0.5 or 50%. The probability of rolling a 5 on a fair six‐sided die is 1/6, since all numbers are equally likely. The probability of a r...The probability of getting a "Heads" when tossing a fair coin is 0.5 or 50%. The probability of rolling a 5 on a fair six‐sided die is 1/6, since all numbers are equally likely. The probability of a random student getting an A in a Statistics class taught by Professor Nguyen is 22.8%, because grade records show that of the 1000 students who took her class in the past, 228 received an A.