9. A random variable X has the following probability distribution: 1 2 3 4 P(x) a За 5a 7a 9a 11a a. Find the value of 'a'> a ==0.0277 b. Determine the mean, variance and standard deviation of the given probability distribution С. Find P[x <3] and P[x 2 2]

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A: (g) n=50, P(∑i=150Xi&lt;1124.54)=?

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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.