The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with mean1252 and standard deviation129 chips.?(a) What is the probability that a randomly selected bag contains between1100 and1500chocolate? chips??(b) What is the probability that a randomly selected bag contains fewer than1000 chocolate? chips??(c) What proportion of bags contains more than1200 chocolate? chips??(d)What is the percentile rank of a bag that contains1450 chocolate? chips?

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with mean1252 and standard deviation129 chips.?(a) What is the probability that a randomly selected bag contains between1100 and1500chocolate? chips??(b) What is the probability that a randomly selected bag contains fewer than1000 chocolate? chips??(c) What proportion of bags contains more than1200 chocolate? chips??(d)What is the percentile rank of a bag that contains1450 chocolate? chips?