Question
The number of chocolate chips in an18-ouncebag of chocolate chip cookies is approximately normally distributed with a mean of1252 chips and standard deviation 129 chips.
The number of chocolate chips in an18-ouncebag of chocolate chip cookies is approximately normally distributed with a mean of1252 chips and standard deviation 129 chips.
(a)What is the probability that a randomly selected bag contains between
1100 and 1500 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 contains1475 chocolatechips?
(a)The probability that a randomly selected bag contains between 1100 and 1500 chocolatechips,inclusive, is nothing.
round to 4 decimal places.
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Stats Data And Models
Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock
4th Edition
321986490, 978-0321989970, 032198997X, 978-0321986498
