Let X denote the mean of a random sample of size n from a distribution that has mean µ and variance o? = 4. Find n so that the probability is approximately 0.92 that the random interval (X -X +) includes u.

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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.