Author Question: Given that X is a normally distributed random variable with a mean of 52 and a standard deviation of ... (Read 78 times)

jeatrice · **on:** Jun 24, 2018

Given that X is a normally distributed random variable with a mean of 52 and a standard deviation of 2, the probability that X is between 48 and 56 is:

A) 0.0896
B) 0.4104
C) 0.5896
D) 0.9544

Question 2

The concept of variance can be very useful in comparing the dispersions of probability distributions.

Indicate whether the statement is true or false