When rolling a standard six-sided die, which event is the complement of "rolling a number less than 3"?

rolling a number greater than 3

rolling a number greater than or equal to 3

If Event A and Event B are complementary, which of the following statements must be true?

Event A and Event B have some outcomes in common.

The probability of Event A must equal the probability of Event B.

Event A and Event B are mutually exclusive and together they make up the entire sample space.

Event A is a subset of Event B.