In aclass of 20 studets, 16 students have Success n the eam af statistics. 5 students eare Selected at random from this class. o what is the Probability that:- ot statistics. 2 ) exactly 2 students have failed the exam 6) at most 3 を O Find the expected number of students cwhich have Failed the exam of stadistics.

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A:

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A:

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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.