Condominium Monthly Maintenance Fees The sales manager of
Chapter 8, Problem 3(choose chapter or problem)
Condominium Monthly Maintenance Fees The sales manager of a rental agency claims that the monthly maintenance fee for a condominium in the Lakewood region is $86. Past surveys showed that the standard deviation of the population is $6. A sample of 15 owners shows that they pay an average of $84. Test the managers claim at a 0.01. Find the 99% confi- dence interval of the mean. Does the confidence interval interpretation agree with the results of the hypothesis test? Explain. Assume that the variable is normally distributed.
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