A coin is tossed four times in a row. The probability distribution shown below gives the probabilities that the coin will land heads up 0, 1, 2, 3, or 4 times. Find the probability that the coin will lands heads up exactly three times. Round the answer to the nearest thousandth.
x: 0 | 1 | 2 | 3 | 4 |
p(x): 0.063 | 0.250 | 0.375 | 0.250 | 0.063 |