Question: here is the question e) The probability distribution of a random variable X is given below. X -x 2 4 8 P(X x) 0.25 0.25

here is the question e) The probability distribution of a random

here is the question

e) The probability distribution of a random variable X is given below. X -x 2 4 8 P(X x) 0.25 0.25 0:10 0.10 i. Calculate the expected value of X. (2 marks) ii. Calculate the standard deviation of X to four decimal places. (3 marks iii. Calculate P(X > 2) to four decimal places. (3 marks) iv. Does X have a uniform distribution? Briefly justify your answer. (2 marks) air

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