The number of chocolate chips in an​ 18-ounce bag of Chips​ Ahoy! chocolate chip cookies is approximately normally​ distributed, with a mean of 1262 chips and a standard deviation of 118 chips,...

The number of chocolate chips in an​ 18-ounce bag of Chips​ Ahoy! chocolate chip cookies is approximately normally​ distributed, with a mean of 1262 chips and a standard deviation of 118 chips, according to a study by cadets of the U.S. Air Force Academy.

The 27th percentile for the number of chocolate chips in an​ 18-ounce bag of Chips​ Ahoy! cookies is __________ chocolate chips.

The number of chocolate chips in a bag of Chips​ Ahoy! that make up the middle 95​% of bags is __________ to________ chocolate chips.

The interquartile range of the number of chips in Chips​ Ahoy! cookies is _________ chocolate chips.