Given that Z is a standard normal random variable, which of these is the value of z if the area to the right of z is 0.1949?
A) 0.51
B) -0.51
C) 0.86
D) -0.86

Question

Quizplus · Accepted Answer

We need to find the z-value such that the area to the right of it is 0.1949. Using a standard normal table or calculator, we can find that the closest area to 0.1949 in the right-tail is 0.1936, which corresponds to a z-value of 0.86 (rounded to two decimal places). Therefore, the answer is C.

Given That Z Is a Standard Normal Random Variable, Which