Respuesta :
there is a 1/2 probability of landing on heads each flip
he flips it 3 times
so 1/2 x 1/2 x 1/2 = 1/8 probability of getting heads every time.
he flips it 3 times
so 1/2 x 1/2 x 1/2 = 1/8 probability of getting heads every time.