SOLUTION: Which of the following is true regarding the normal distribution? a. When referring to the normal distribution, there is just one of them b. The total area under the normal cur

Algebra ->  Probability-and-statistics -> SOLUTION: Which of the following is true regarding the normal distribution? a. When referring to the normal distribution, there is just one of them b. The total area under the normal cur      Log On


   

Question 371808: Which of the following is true regarding the normal distribution?
a. When referring to the normal distribution, there is just one of them
b. The total area under the normal curve approaches 50%
c. Some normal probability distributions have equal arithmetic means, but their standard deviations may be different
d. Some normal probability distributions may have unlike arithmetic means, but their standard deviations must be equal
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
a) false...more than one normal distribution
b) false....area is 100% or 1

c) true

d) false....first part is possible, but std devs can be different too.