HW Score: 82.08%, 16.42 of 20 points Question 12, 7.2.39-T Part 4 of 4 Q Points: 0.75 Of 1 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. (3) What is the probability that a randomly selected bag contains between 1000 and 1400 chocolate chips, inclusive? (b) What is the probability that a randome selected bag contains fewer than 1000 chocolate chips? (c) What proportion of bags contains more than 1225 chocolate chips? ((1) 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 0.8493 . (Round to four decimal places as needed.) (b) The probability that a randomly selected bag contains fewer than 1000 chocolate chips is 0.0256 . (Round to four decimal places as needed.) (c) The proportion of bags that contains more than 1225 chocolate chips is 0.5832 . (Round to four decimal places as needed.) ((1) A bag that contains 1475 chocolate chips is in the Dth percentile. (Round to the nearest integer as needed.)