Assume F is the cumulative distribution function for a binom

Assume F is the cumulative distribution function for a binomial random variable X with parameters n and p.

(a) If n=9,p=0.1, then
F(5)=

(b) If n=5,p=0.9, then
F(4)F(3)=

(c) If n=8,p=0.6, then
F(6.3)=

Solution