Which of the following statements are true of a table of random digits, and which are false?

Which of the following statements are true of a table of random digits, and which are false? Briefly explain your answers.

(a) There are exactly four 0s in each row of 40 digits

(b) Each pair of digits has chance 1/100 of being 00

(c) The digits 0000 g 00 can never appear as a group, because this pattern is not random.