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In 1998, as an advertising campaign, the Nabisco Company announceda "1000 Chips Challenge," claiming that every 18-ounce bag of their ChipsAhoy cookies contained at least 1000 chocolate chips. Dedicated statistics students at theAir Force Academy purchased some randomly selected bags of cookies and counted the chocolatechips. Some of their data are given below. (adapted from [De Veaux et al. 2006]) 1219 1214 1087 1200 1419 1121 1325 1345 1244 1258 1356 1132 1191 1270 1295 1135 a. Create a 95% confidence interval for the average number of chipsin bags of Chips Ahoy cookies.

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