Bob and Anna are planning to meet for lunch at Sally's Restaurant, but they forgot to schedule a time. Bob and Anna are each going to randomly choose from either 1\text{ p. m.}1 p. m.1, start text, space, p, point, m, point, end text, 2\text{ p. m.}2 p. m.2, start text, space, p, point, m, point, end text, 3\text{ p. m.}3 p. m.3, start text, space, p, point, m, point, end text, or 4\text{ p. m.}4 p. m.4, start text, space, p, point, m, point, end text to show up at Sally's Restaurant. They must both choose exactly the same time in order to meet.