Question

I am so lost on this statistics question would someone help me figure out how to answer it?

A random variable X is normally distributed with the mean and standard deviation 1.6. What is the proportion of the data values that lies within 1.6 standard deviations from the population mean?

Answer 1

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion for ±1.6 Z score.