In Rwanda, the chance for rain on any given day is 1/2. What is the probability that it rains on 4 out of 6 consecutive days in Rwanda?
Answers
A) 4/7	B) 3/7	C) 15/64	D) 4/28	E) 28/135
using Binomial. theorem   n15/64r (p)^r (q)^n-r   615/644 (1/2)^4 (1/2)^r   which is 15/64   Answer is 15/64.
<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 6 consecutive days in Rwanda?