The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of
chips and standard deviation
(a) What is the probability that a randomly selected bag contains between
chocolate chips, inclusive?
(b) What is the probability that a randomly selected bag contains fewer than
(c) What proportion of bags contains more than
(d) What is the percentile rank of a bag that contains
- 4 years ago