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A variable is normally distributed with mean 18 and standard deviation 4. Use your graphing calculator...

A variable is normally distributed with mean 18 and standard deviation 4. Use your graphing calculator to find each of the following areas. Write your answers in decimal form. Round to the nearest thousandth as needed.

a) Find the area to the left of 18.

b) Find the area to the left of 13.

c) Find the area to the right of 15.

d) Find the area to the right of 21.

e) Find the area between 13 and 29.

Math   Statistics-And-Probability   
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