An urn contains 50 marbles(35 green and 15 white). (a)15 marbles are selected without replacement. Find the probability that exactly 10 out of 15 selected are green.
(b) 2 marbles are selected without replacement. Find the probability that 1 green and 1 white is obtained. (c) Can you solve part (a) and part (b) by using binomial
distribution? And why?
