Liz tossed three quarters. Find P(heads, heads, heads).

I think it is 2/8.

3 answers

3 quarters have 2 sides each. 2x3 is 6.

There is half a chance for heads so it is 3/6
Remember to always simplify.

3/6

=

1/2
Prob(HHH) = (1/2)(1/2)(1/2)
= 1/8