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Section 7.2 Homework Question 9
Section 7.2 Homework
9.
The number of chocolate chips in an 18-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 1000 and 1400 chocolate chips, inclusive?
(b) What is the probability that a randomly selected bag contains fewer than 1125 chocolate chips?
(c) What proportion of bags contains more than 1175 chocolate chips?
(d) What is the percentile rank of a bag that contains 1475 chocolate chips?
(a) The probability that a randomly selected bag contains between 1000 and 1400 chocolate chips, inclusive, is
(b) The probability that a randomly selected bag contains fewer than 1125 chocolate chips is
(c) The proportion of bags that contains more than 1175 chocolate chips is
(d) A bag that contains 1475 chocolate chips is in the