Respuesta :

Answer:

7/128 or 5.46875%

Step-by-step explanation:

There are 2^7, or 128 combinations and only 7 of them have 6 heads. So the probability is 7/128, or 5.46875%.

Answer:

5.5%

Step-by-step explanation:

Find nCx=7C6=7

Then find (nCx)(P^x)(Q^n-x)=(7)(0.5^6)(0.5^1)=0.0546=5.5%