In the normal distribution (the area under the normal curve): The area (at and) below the mean (z = 0.00) is % ___.  of the area. The area between z = -1.00 and z = +1.00 is approximately ____.  % of the area. The area between z = +1.00 and z = +2.00 is approximately  _____. % of the area. The area between z = -2.00 and z = +2.00 is approximately  ____ % of the area.

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In the normal distribution (the area under the normal curve):

The area (at and) below the mean (z = 0.00) is % ___.  of the area.

The area between z = -1.00 and z = +1.00 is approximately ____.  % of the area.

The area between z = +1.00 and z = +2.00 is approximately  _____. % of the area.

The area between z = -2.00 and z = +2.00 is approximately  ____ % of the area.

Expert Solution
Step 1: Introduction:

Normal distribution:

It is a probability distribution and it is symmetric about the mean. The curve of the normal distribution is bell-shaped.

The area under the normal curve represents its probability and the total probability is 1 so the whole area is under the 100%.

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