A researcher uses a particular Z score (Z) from the standard normal density function to create a 95% confidence interval. Which of the following statements is not true?
a. The area under the curve to the left of -Z is equal to 0.975
b. The area under the curve to the left of +Z is exactly equal to the area under the curve to the right of -Z
The area under the between -Z and +Z is equal to 0.95
d. The area under the curve to the right of +Z is equal to 0.025