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Nov 24, 2024

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Question 2: The probability distribution for the random variable x is given by X 2 35 4 4.5 5 P(x) 0.1 0.2 0.3 0.15 a) What is the value of a? b) The variable x is sampled 10,000 times. How many times would you expect x to have a value between 3.5 and 4.6, inclusive? c¢) Calculate the expected value and the standard deviation of x. d) Calculate the expected value and the standard deviation of the random variable x+4. Answer: |4 Marks)

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