Q3

MCQ1 mark, −0.33

If two fair coins are flipped and at least one of the outcomes is known to be a head, what is the probability that both outcomes are heads?

(A)

$\left(\dfrac{1}{3}\right)$

(B)

$\left(\dfrac{1}{4}\right)$

(C)

$\left(\dfrac{1}{2}\right)$

(D)

$\left(\dfrac{2}{3}\right)$

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