A random variable X has a probability density function f(x) A x for 3 x 4 (a) What is the value of A (b) What is the cumulative distribution function of X (c) What is the expected value of X (d) What is the standard deviation of X (e) What is the median of X (f) What is the upper quartile of X ...

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A random variable X has a probability density function f(x) = A/x for 3 < x <

Question:

A random variable X has a probability density function f(x) = A/√x for 3 < x < 4.
(a) What is the value of A?
(b) What is the cumulative function of X?
(c) What is the expected value of X?
(d) What is the standard deviation of X?
(e) What is the median of X?
(f) What is the upper quartile of X?
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...