Let X be normally distributed with mean 2000 and standard d

Let X be normally distributed with mean = 2,000 and standard deviation = 400.

Find x such that P(X x) = 0.9382.

Find x such that P(X > x) = 0.025

Find x such that P(2,000 X x) = 0.1217

Find x such that P(X x) = 0.484

Solution