A variable is normally distributed with mean 18 and standard deviation 3. 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 21. b) Find the area to the left of 11. c) Find the area to the right of 20. d) Find the area to the right of 23. e) Find the area between 11 and 24.

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