20.6 The law of large numbers. The law of large numbers says that the mean outcome in many repetitions of a random phenomenon having numerical outcomes
(a) gets close to the expected value as the number of repetitions increases.
(b) goes to zero as the number of repetitions increases because, eventually, positive and negative outcomes balance.
(c) increases steadily as the number of repetitions increases.
(d) must always be a number between 0 and 1.