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Q1. [4 marks Find the expectation and standard deviation of the uniform random variable X that takes values 2, 4, 6, 8, .,98.
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Solution- unifeomh distoibuted S1 X I on the set ん,2,3, Nt then the follocsing formulas eapply. E x) N- Narx) is the unifoomNow finst Hnd NaoY) we VarY(49) 2400 24o1-1 200 10 cue khow Var YVar Namty) Narx) VerC)So0 standard deviation of x = 47 TXDN

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