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%