In an advertisingcampaign, a snack company claimed that every18-ounce bag of its cookies contained at least 1000 chocolate chips. Two statisticians attempted to verify the claim. The accompanying data represent the number of chips in an18-ounce bag of thecompany's cookies based on their study.

Chocolate chip data table:

1085

1100

1106

1119

1128

1132

1140

1141

1157

1170

1187

1187

1200

1201

1211

1218

1219

1219

1221

1231

1236

1245

1250

1257

1268

1273

1280

1292

1297

1298

1309

1321

1349

1360

1362

1376

1407

1419

1436

1512

(d) Using the normal model from part(c), find the probability that an18-ounce bag of chips selected at random contains at least 1000 chips.

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