Question
Suppose you have the following information on a population's parameters : = 20 interquartile range = 20 median = 20 range = 40 a. DO
Suppose you have the following information on apopulation's parameters:
= 20
interquartile range = 20
median = 20
range = 40
a.DO NOT ASSUME ANYTHING ABOUT THE DISTRIBUTION OF THIS POPULATION, ESPECIALLY THAT IT IS NORMAL!What is theprobabilitythat a randomly selected individual has a value of 20 or more?
b. ASSUME THE POPULATION IS SYMMETRIC,what is the probability that a randomly selected individual has a value less than 10 or greater than 30?
c.What is the largest possible measurement in this population if we know the minimum is 5?
d.Since the mean=median here, does that imply the distribution is normal? If no, sketch a distribution for which mean=median and it isn't normal.
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Probability and Random Processes With Applications to Signal Processing and Communications
Authors: Scott Miller, Donald Childers
2nd edition
123869811, 978-0121726515, 121726517, 978-0130200716, 978-0123869814
