(Solution) - In each case sketch the two specified normal curves on -(2025 Original AI-Free Solution)

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In each case, sketch the two specified normal curves on the same set of axes:
a. A normal curve with ? = 20 and ? = 3, and a normal curve with ? = 20 and ? = 6.
b. A normal curve with ? = 20 and ? = 3, and a normal curve with ? = 30 and ? = 3.
c. A normal curve with ? = 100 and ? = 10, and a normal curve with ? = 200 and ? = 20.