Find the z-score corresponding to a score of X-45 for each of the following distributions. a. u=40, o=20 b. u=40, o=5 C. u=40, o=2 d. u=40, o=1 e. Which of these numbers would we be least likely to see?

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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.