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help me QUESTION 2 a) The daily number of posts on social media are given by the following probability distribution. y O 2 3 4

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QUESTION 2 a) The daily number of posts on social media are given by the following probability distribution. y O 2 3 4 5 P(Y = y) 0.25 - 0.05y 0.25 - 0.05y 0.25 - 0.05y 0.25 - 0.05y C C i. Find the value of the constant c. (2 marks) ii. Evaluate E(2Y +7)

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