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6. In a shipment of 15 microchips, 2 are defective and 13 are not defective. A sample of three microchips is chosen at random Let X be the ntnnber of defective microchips in a sample (the selected sample) of three microchips. Hint: The random variable X has a hypergeometric probability distribution with N =15, k = 2, N 1: =13, n =3 In this case the hypergeomettic probabilityr distribution (or the probability mass function of X ) in terms of .1" is given by: FINk] [2 13 P(X=x)Ep(x)= I [12]\": = '11:\": ,fDI' i=0,1,2. n 3 J Find the probability that one microchip is defective and two are not defective