Customers can rent canoes from Bob’s Boats for $40 per day with a deposit fee of $30. Ned’s Water World charges $55 per day with no deposit fee. When will the cost be the same for both places?

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15