Asked Jan 27, 2020

Answer the following about the normal distribution.
A. The standard normal distribution is a continuous distribution.


B. The z score correspoinding to a number below the mean is positive.


C. The area under the standard normal distribution to the left of z = 0 is negative.


D. Which of the following is not true about the standard normal distribution?

The total area under it is 1.
It's symmetric about the mean.
It's bell shaped.
It's uniform.


Expert Answer

Step 1
  1. a) True

Standard normal distribution is a continuous distribution. It can take any number of values between the interval.

b) False

The z-score corresponding to the number below the mean is negative . As per the formula of z-score

Statistics homework question answer, step 1, image 1
Step 2

c) False

The area under the standard normal distribution to the left of z = 0 is positive. Area is always positive

d) Standard ...

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