Question

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

I think it is 2/8.

Answer 1

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

There is half a chance for heads so it is 3/6

Answer 2

Remember to always simplify.

3/6

=

1/2

Answer 3

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