Assume That $x$ Is a Binomial Random Variable With $\mathrm { n } = 400$

Multiple Choice

Assume that $x$ is a binomial random variable with $\mathrm { n } = 400$ and $\mathrm { p } = 0.30$ . Use a normal approximation to find $P ( x \geq 100 )$ .

A) 0.9875
B) 0.5948
C) 0.9834
D) 0.4875