In a table of random digits, O each pair of digits 00, 01, 02, .., 99 appears exactly once in any row of the table. O any pair of entries is equally likely to be any of the one-hundred possible pairs 00, 01, 02, ..., 99. O a specific pair such as 00 cannot be repeated until all other pairs have appeared. the pair 00 can appear, but 000 is not random and can never appear in the table