Stacy has 6 marbles in a bag: a red,an orange,a yellow,a blue,a green,and a white .She randomly picks 2 marbles out of the bag one at a time without replacement .What is the Probability that she will first pick the orange marble and then pick the blue marble???? A) 2\6,,,B) 1\6,,,,C) 1\30,,,D) 1\36....