Question
The number of chocolate chips in an18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation
The number of chocolate chips in an18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips.
(a) What is the probability that a randomly selected bag contains between 1100 and 1400 chocolatechips, inclusive?
(b) What is the probability that a randomly selected bag contains fewer than 1050 chocolatechips?
(c) What proportion of bags contains more than 1175 chocolatechips?
(d) What is the percentile rank of a bag that contains 1025 chocolatechips?
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Calculus Early Transcendentals
Authors: James Stewart, Daniel K. Clegg, Saleem Watson, Lothar Redlin
9th Edition
1337613924, 978-1337613927
