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 1500 chocolate chips, inclusive? (b) What is the probability that a randomly selected bag contains fewer than 1050 chocolate chips? (c) What proportion of bags contains more than 1200 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 1500 chocolate chips, inclusive, is |:. (Round to four decimal places as needed.) (b) The probability that a randomly selected bag contains fewer than 1050 chocolate chips is El. (Round to four decimal places as needed.) (0) The proportion of bags that contains more than 1200 chocolate chips is El. (Round to four decimal places as needed.) (d) Abag that contains 1475 chocolate chips is in the th percentile. (Round to the nearest integer as needed.)