Question
Suppose that the amounts that students at a college spend on textbooks this semester have a normal curve with mean = $450 and standard
Suppose that the amounts that students at a college spend on textbooks this semester have a normal curve with mean μ = $450 and standard deviation σ = $150. (Round your answers to four decimal places.)
(a) What is the probability that a randomly selected student spends less than $540 on textbooks this semester?
(b) What is the probability that a randomly selected student spends more than $300 on textbooks this semester?
(c) What is the probability that a randomly selected student spends between $300 and $540 on textbooks this semester?
You may need to use the appropriate table in the Appendix of Tables or technology to answer this question.
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Macroeconomics
Authors: Robert J Gordon
12th edition
138014914, 978-0138014919
