Assume That X Has a Normal Distribution, with the Specified $\le$

Multiple Choice

Assume that x has a normal distribution, with the specified mean and standard deviation. Find the indicated probabilities. P(1 $\le$ x $\le$ 18) $\mu$ = 12; $\sigma$ = 4

A) 0.997
B) 0.067
C) 0.106
D) 0.930
E) 0.003