Which of the Following Statements Concerning Areas Under the Standard

Multiple Choice

Which of the following statements concerning areas under the standard normal curve is/are true?
a) If a z-score is negative, the area to its right is greater than 0.5
b) If the area to the right of a z-score is less than 0.5, the z-score is negative.
c) If a z-score is positive, the area to its left is less than 0.5

A) a, c
B) b, c
C) a, b
D) a