the membership of a committee consists of 4 english teachers , 2 mathematics teachers , and 2 social studies teachers . if 2 committee members are to be selected at random to write the committee ’ s report , what is the probability that the two members selected will both be english teachers ?
"probability of first member an english teacher = 3 / 8 probability of second member an english teacher = 2 / 8 probability of both being english teacher = 3 / 8 x 2 / 7 = 3 / 28 ( e )"
multiply(divide(4, add(add(4, 2), 2)), divide(2, subtract(add(add(4, 2), 2), const_1)))