Quote:
Originally Posted by Grapesoda
There are n sweets in a bag. Six of the sweets are orange. The rest of the sweets are yellow.
Hannah takes a sweet from the bag. She eats the sweet. Hannah then takes at random another sweet from the bag. She eats the sweet.
The probability that Hannah eats two orange sweets is 1/3. Show that nē-n-90=0
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I'll start you off ... maybe:
1/3 = 6/n x 5/(n-1)
1/3 = 30 / n(n-1)
I'm not even sure if I'm on the right track ...
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