The probability mass function of a random variable J is given as where J = {-1,0, 1} 8 f) = 0, Is the probability distribution function valid? Prove your answer elsewhere Calculate for the probability of x < ½ Draw the histogram of the probability mass function Determine the cumulative distribution of the random variable J Draw the histogram of the cumulative distribution function

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.