Question

Find the sample space for tossing 2 coins. Then find P(exactly 1 head)

Answer 1

\[
\Omega = \{(h,h), (h,t), (t,h), (t,t)\} \\
A = \{(h,t), (t,h)\} \\
\Pr(\text{heads}=1) =\Pr(A) =\frac{|A|}{|\Omega|}
\]

Answer 2

The sample space is 4 and P(of 1 head) is 2/4 or 1/2

Answer 3

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