- #1

MACHO-WIMP

- 43

- 0

## Homework Statement

two pennies are tossed: find the probabilities for tossing exactly one tail.

## Homework Equations

n/a

## The Attempt at a Solution

I got 1/2 and the book agrees with me, but it doesn't show any work. and i need to know if I'm doing it the correct way. so can someone please help me with how to do it?