Evaluate 8 p + 3 q − 1 8 8p+3q−188, p, plus, 3, q, minus, 18 when p = 1 2 p= 2 1 p, equals, start fraction, 1, divided by, 2, end fraction and q = 7 q=7q, equals, 7.

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