Question
A marketing researcher wants to estimate the mean amount spent($) on a certain retail website by members of thewebsite's premium program. A random sample of
A marketing researcher wants to estimate the mean amount spent($) on a certain retail website by members of thewebsite's premium program. A random sample of 98 members of thewebsite's premium program who recently made a purchase on the website yielded a mean of $1700 and a standard deviation of $350.
Construct a 99% confidence interval estimate for the mean spending for all shoppers who are members of thewebsite's premium program.
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Introduction to Probability
Authors: Mark Daniel Ward, Ellen Gundlach
1st edition
716771098, 978-1319060893, 1319060897, 978-0716771098
