Question
A quality control expert at an M&M factory took a random sample ofbags from a production run of over 1000bags and measured the amount of
A quality control expert at an M&M factory took a random sample ofbags from a production run of over 1000bags and measured the amount of M's in each bag in the sample in grams. The sample data were roughly symmetric with a mean of
250g and a standard deviation of10g.
Based on this sample, which of the following is a 90%confidence interval for the mean weight of M's per bag in this production run?
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Calculus Early Transcendentals
Authors: James Stewart, Daniel K. Clegg, Saleem Watson, Lothar Redlin
9th Edition
1337613924, 978-1337613927
