If X has a normal distribution with mean 60 and standard deviation 6, which value of X corresponds with the value z = 1.96?
a. x = 71.76
b. x = 67.96
c. x = 61.96
d. x = 48.24
Question 2
Which of the following is not a characteristic for a normal distribution?
a. It is symmetrical.
b. The mean is always zero.
c. The mean, median, and mode are all equal.
d. It is a bell-shaped distribution.