In Rwanda, the chance for rain on any given day is 1/2. What is the probability that it rains on 4 out of 7 consecutive days in Rwanda?	Choose the correct answer:  A) 4/7  B) 3/7  C) 35/128  D) 4/28  E) 28/135
using Binomial. theorem   n35/128r (p)^r (q)^n-r   735/1284 (1/2)^4 (1/2)^r   which is 35/128   Answer is 35/128.
<result>C</result>
In Rwanda, the chance for rain on any given day is 1/2. What is the probability that it rains on 4 out of 7 consecutive days in Rwanda?