Private nonprofit four-year colleges charge, on average, $26,599 per year in tuition and fees. The standard deviation is $7,230. Assume the distribution is normal. Let X be the cost for a randomly selected college. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X N( 26,599 7,230 b. Find the probability that a randomly selected Private nonprofit four-year college will cost less than 29,531 per year. c. Find the 61th percentile for this distribution. $ (Round to the nearest dollar.)

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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.