Question: Compare the lognormal and the Rayleigh probability density functions, both of which govern positivedefinite variables. Compare the shapes of the plotted functions, and examine how

Compare the lognormal and the Rayleigh probability density functions, both of which govern positivedefinite variables. Compare the shapes of the plotted functions, and examine how they shift as parameters are varied. Discuss the differences, if any, due to the fact that one is a function of two parameters and the other a function of one parameter.

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