Jorge finds that 56% of his 75 classmates like salsa music and 80% of his 60 relatives like salsa music. how many more of jorge’s relatives, as compared to his classmates, like salsa music?

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