Question: (159 2. A random variable X takes values between 4 and 6 with a probability density function f(x) for 4 Sxs 6 and f(x) =

(159 2. A random variable X takes values between 4 and 6 with a probability density function f(x) for 4 Sxs 6 and f(x) = clsewhere. () Check that the total area under the probability density function is equal to 1. (b) What is P(4 SXS 5)? (e) Construct the cumulative distribution function, (d) What is the expected value of this random variable? (e) What is the variance of this random variable? (h) What is the standard deviation of this random variable

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