Question

Which of the following is the sample space for the numbers on a phone?

a) {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, *,#}
b) {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
c) {1, 2, 3, 4, 5, 6}
d) None of the above

Answer 1

Answer: b) {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

Explanation: We simply list all the numeric single digits from 0 to 9. We'll leave out the asterisk and pound sign as they aren't numeric digits.