A girl stands on a street with a homemade ' free car wash ' sign .
There is a better than even chance that a cheerleader holding a sign advertising 'free car washes ' .
There is almost no chance that a cheerleader holding a sign advertising 'free car washes ' .
There is a better than even chance that a cheerleader holding a sign advertising 'free car washes ' .
A cheerleader holding a sign advertising 'free car washes ' .