Question
A manager records the repair cost for 6 6 randomly selected VCRs. A sample mean of $75.44 $75.44 and standard deviation of $17.20 $17.20 are
A manager records the repair cost for 6
6 randomly selected VCRs. A sample mean of $75.44
$75.44 and standard deviation of $17.20
$17.20 are subsequently computed. Determine the 95%
95% confidence interval for the mean repair cost for the VCRs. Assume the population is approximately normal.
Step1of2:Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.
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An Introduction to the Mathematics of financial Derivatives
Authors: Salih N. Neftci
2nd Edition
978-0125153928, 9780080478647, 125153929, 978-0123846822
