Question: Let X be a discrete random variable whose mass function is: f(x) =log10(x+1/x), x=1,2,.....9 Benford's law, originally called the law of abnormal numbers by Benford,

Let X be a discrete random variable whose mass function is: f(x) =log10(x+1/x), x=1,2,.....9 Benford's law, originally called the law of abnormal numbers by Benford, refers to a statistical distribution frequency observed empirically on many data sources in real life, as well as in mathematics. Benford's law states that the first digit of a number from real statistical data is not statistical data is not equiprobable. A number is more likely to appear first chance of being the first number the smaller it is. 1. Check that f is a mass function. 2. Determine the distribution function of X.

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