A-d plz

7.2 Applications of the Normal Distribution 0 of 1 Point Part 1 of 4 The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with mean 1252 and standard deviation 129 chips (a) What is the probability that a randomly selected bag contains between 1000 and 1400 chocolate chips? (b) What is the probability that a randomly selected bag contains fewer than 1100 chocolate chips? (c) What proportion of bags contains more than 1225 chocolate chips? (d) What is the percentile rank of a bag that contains 1050 chocolate chips? Click the icon to view a table of areas under the normal curve. X Tables of Areas under the Normal Curve TABLE V Standard Normal Distribution