Which of the following statements is False?

a. Using the standard normal curve, the area between z = 0 and z = 3.50 is about 0.50

b. In the normal distribution, the total area under the curve is equal to one (1)

c. If Z is a standardize random variable, the P(Z < 1.28) is approximately 0.9

d. The mean of any normal distribution is always zero