Question

A bag 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

Answer 1

The answer is B. 7/15!!!

i just guessed and got it right, but i knew c. wasnt the answer.

Answer 2

Your answer should be C. 14/16 hope this helps!!!