Author Question: Find the probability that a normally distributed random variable x will lie more than z = -2.75 ... (Read 411 times)

WWatsford · **on:** Jul 25, 2018

Find the probability that a normally distributed random variable x will lie more than z = -2.75 standard deviations below its mean.

A) .4970 B) .0060 C) .0030 D) .5030

Question 2

Find the probability that a normally distributed random variable x will lie more than z = 1.85 standard deviations above its mean.

A) .4678 B) .5322 C) .0322 D) .0644