Question

What is the probability of flipping three coins and having two coins land on heads and one coin land on tails?

Answer 1

You multiply the probability of each outcome.

probability of coin1 heads up:
`(1)/(2)`
probability of coin2 heads up:
`(1)/(2)`
probability of coin3 tails up:
`(1)/(2)`

probability of coin1 heads, coin2 heads, and coin3 tails:
`(1)/(2)`×
`(1)/(2)`×
`(1)/(2)`

=
`(1)/(8)`

convert to a percent if needed.