What percentage of z-scores in the standard normal distribution are less than z = .20?

A) 42.07%
B) 57.93%
C) 84.00%
D) 92.07%

Z-scores

A statistical measurement of a score’s relationship to the mean in a group of scores, indicating how many standard deviations an element is from the mean.

Standard Normal Distribution

A probability distribution that has a mean of zero and a standard deviation of one, commonly represented in statistics.

Less Than

A mathematical comparison indicating that one value is smaller than another.