For some value of Z,the value of the cumulative standardized normal distribution is 0.2090.The value of Z is
A)- 0.81
B)- 0.31
C)0.31
D)1.96

Question

Quizplus · Accepted Answer

The cumulative standardized normal distribution value of 0.2090 corresponds to a Z-score that is negative because it is less than 0.5 (which represents the mean in a standard normal distribution). Among the given options, -0.81 is the correct Z-score that matches the cumulative probability of 0.2090.

For Some Value of Z,the Value of the Cumulative Standardized