Reconstruct Part A of Figure 6.9 using the curve function instead of the plot function. What are the apparent advantages of using the curve function, if any?

Data from in  Figure 6.9

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2.0 1.5 dnorm(x) 1.0 0.5 0.0 2.0 1.5 df(x, df1= 1, df2= 1) 1.0 0.5 0.0 -3 0 A: Understanding the sample normal mean FN 1 0 2 C: The F-densities X 1 3 - N 2 4 3 5 0.8 0.6 dchisq(x, df n[1]) 0.4 0.2 0.0 0.4 0.3 dt(x, df = 1) 0.2 0.1 0.0 B: Chi-square densities 0 5 10 T -2 X D: The t-densities Figure 6.9 Some Important Sampling Densities -Ox 15 0 2 20 4 25