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sillybilly123:

Three coins are tossed

sillybilly123:

If at least 2 are heads, what is the probability that they are all heads?!

sillybilly123:

The sample space is this: |dw:1509841169804:dw|

sillybilly123:

\(P(\text{3 heads} | \text{2 heads}) = \dfrac{1}{4}\)

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