Problem No. 10 Statement of the Problem: The Bank of America VP feels that each savings account customer has, on average, three credit cards. The following distribution represents the number of credit cards people own. 1 3 4. P(X) 0.18 0.44 0.27 0.08 0.03 Find the mean and variance.

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A: Kindly refer to Step 2 for the solution.

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A: 1) f(g(3))  Since ,  g(3)= 5 So,.     f(g(3))=f(5) = 1 2),  g(f(1))  Since.   f(1) = 3 Then ,…

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A: Consider the graph if the function: