Question: Please solve this task Problem 3. A company spends r 2 0 on advertising products and services. Let X denote the company's revenue. The distribution

Please solve this task

Problem 3. A company spends r 2 0 on advertising products and services. Let X denote the company's revenue. The distribution of X is defined by the following table: X 2 4 P r r+1 r+1 (a) Find E(X). (b) Based on your answer in question (a), suggest the company how much they should spend on advertising to maximize their profit (revenue minus advertising expenses)

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