A box contains 8 hard-centred and 9 soft-centred chocolates. Two are selected at random. What is the probability that one is hard-centred and one is soft-centred ?
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A box contains 8 hard-centred and 9 soft-centred chocolates. Two are selected at random. What is the probability that one is hard-centred and one is soft-centred ?

So if you pull out a soft center what is the odds? 1/17 right?

That leaves 8 hard and 8 soft, now what is you pull out a soft center? 1/16 right?

multiply them: 1/17*1/16 = 1/272

by Level 2 User (1.4k points)

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