A particular nation has a human rights score of 41, which equals a Z score of 1.3. What is the percentage of nations above this score? (Assume a normal distribution.)
A)40.32% - 50% = -9.68%
B)50% - 40.32% = 9.68%
C)100% - 40.32% = 59.68%
D)50% + 40.32% = 99.68%

Question

Quizplus · Accepted Answer

Using a Z-table, a Z score of 1.3 corresponds to an area under the curve of 90.32%. Since we are looking for the percentage of nations above this score, we subtract 90.32% from 100%, which gives us 9.68%. Therefore, choice B is the correct answer.

A Particular Nation Has a Human Rights Score of 41