Question
A credit reporting agency claims that the mean credit card debt in a town is greater than $3500. A random sample of the credit card
A credit reporting agency claims that the mean credit card debt in a town is greater than $3500. A random sample of the credit card debt of 28 residents in that town has a mean credit card debt of $3590 and a standard deviation of $391. At =0.10, can the credit agency's claim be supported, assuming this is a normally distributed data set?
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Mathematical Analysis I
Authors: Vladimir A Zorich, Roger Cooke, Octavio Paniagua Taboada
2nd Edition
3662487926, 9783662487921
