Question

Find the complementary event of the given event.



a number less than 5 on a roll of a number cube with faces labeled

1– 6









A.
rolling a 5







B.
rolling a 5 or 6







C.
rolling a 4 or 5







D.
rolling a 4

Answer 1

Another way to say complement is "not." So we are looking for "not less than five." It would seem to me, when rolling a die we are left with either five or six.