Rank i-iii according to the method that will best produce a random integer from 0 to 9. Support your reasoning with complete statements.
i. The number of heads when you drop nine pennies
ii. The length, to the nearest inch, of a standard 9 in. pencil belonging to the next person you meet who has a pencil
iii. The last digit of the page number closest to you after you open a book to a random page and spin it