21. Suppose that the amount of credit card debt a student has during a 4 year college stay is equally likely to be between $1000 and $5000. a.) What's the probability that a randomly selected student has exactly $1500 in credit card debt? b.) What's the probability that a randomly selected student has between $1200 & $3000 in credit card debt? c.) What's the probability that a randomly selected student has no more than $2500 in credit card debt?

21. Suppose that the amount of credit card debt a student has during a 4 year college stay is equally likely to be between $1000 and $5000. a.) What's the probability that a randomly selected student has exactly $1500 in credit card debt? b.) What's the probability that a randomly selected student has between $1200 & $3000 in credit card debt? c.) What's the probability that a randomly selected student has no more than $2500 in credit card debt?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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