## Question

###### Labcratory has {ested trash bags and has found that no 30-gallon bogs Consider the trash 079" Probteat Suoporeeaat acande rcegih 0780 more. On tne basis of these rcsults; the producer of Inat are currenly on the markel have mcan orcaking strength pourds such bng on Ihc market if the ner trash bog' $ mean te ncw improved trash bag teels Sure Ihat #s 30-galon bag will bethe 5trongcsl 0t43 trash bag breaking strengtns In Table 1.10 Is preacing sirength can be shown {0 be at least 50 pound

labcratory has {ested trash bags and has found that no 30-gallon bogs Consider the trash 079" Probteat Suoporeeaat acande rcegih 0780 more. On tne basis of these rcsults; the producer of Inat are currenly on the markel have mcan orcaking strength pourds such bng on Ihc market if the ner trash bog' $ mean te ncw improved trash bag teels Sure Ihat #s 30-galon bag will bethe 5trongcsl 0t43 trash bag breaking strengtns In Table 1.10 Is preacing sirength can be shown {0 be at least 50 pounds Tre mean of thc samplc we Ict /denotc thc mcan tne brcaking strcngths of a"l possible (rash bags of Ihe new type and assume that & equals 50,560. 162: (0} Cnlculate 95 porcent and 99 pefcont confidencc intcrvals tox (Round your nnswers j0 3 declmal places } (0b porcant conutanka ilen= putrni condcncn Wletr 0a} Using thc 95 percent confidence interval can Ke be 95 percent confident rnat H is alleast 50 pounds? Csdoicetanhn