Consider a state in which the license plates of automobiles are numbered serially, beginning with 1. What is the probability that the first digit on the license plate of an automobile selected at random will be the digit 1, assuming that the number of automobiles registered in the state is equal to (i) 999,999, (ii) 1,000,000, (iii) 1,500,000, (iv) 2,000,000, (v) 6,000,000?