1. Imagine 3000 students took an exam, where the max score is 200. The average was 80 and the variance was 25. What can you say about the number of students scoring over 120 using Markov? Using Chebyshev?

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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.