Does the table represent an exponential function yes or no

Complete the truth table a. t, f, f, t b. t f f f c. f t f t d f t f t

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

How can you find the mean absolute deviation (mad) for this set of data?