Shaking tests are conducted against a reinforced concrete in a lab environment. Previous measurements indicate that the timeframe a reinforced concrete can withstand a severe eartquake follows a...

Extracted text: Shaking tests are conducted against a reinforced concrete in a lab environment. Previous measurements indicate that the timeframe a reinforced concrete can withstand a severe eartquake follows a Normal distribution with a standard devation of 4 seconds. You decide to come up with an alternative hypothesis that o<4 and="" conduct="" 24="" shaking="" tests="" to="" test="" your="" hypothesis.="" the="" sample="" standard="" deviation="" is="" found="" to="" be="" s="2.93" seconds.="" answer="" the="" following.="" click="" here="" to="" view="" page="" 1="" of="" the="" chi-square="" critical="" values="" table,="" click="" here="" to="" view="" page="" 2="" of="" the="" chi-square="" critical="" values="" table.="" (a)="" decide="" on="" your="" null="" and="" alternative="" hypotheses="" and="" fill="" in="" the="" blank.="" (type="" integers.)="" o="" a.="" ho:="" o2="OB." ho:="" o?="">< oc.="" ho:="" o2=""> O D. Ho: o2 < h,:0="(b)" identify="" the="" critical="" value(s)="" of="" your="" test="" for="" a="" significance="" level="" of="" 0.10.="" (round="" to="" two="" decimal="" places="" including="" any="" zeros.)="" o="" a.="" x="">< or="" x?="">[ O B. x?> OC. x?< (c)="" on="" the="" other="" hand,="" the="" x?="" value="" of="" the="" test="" can="" be="" computed="" as="" |.="" (round="" to="" two="" decimal="" places="" including="" any="" zeros.)="" o="" a.="" based="" on="" the="" calculated="" value,="" we="" reject="" h,="" and="" conclude="" that="" there="" is="" not="" adequate="" evidence="" for=""><4 at="" the="" 0.10="" level.="" o="" b.="" based="" on="" the="" calculated="" value,="" we="" reject="" h,="" and="" conclude="" that="" there="" is="" adequate="" evidence="" for=""><4 at="" the="" 0.10="" level.="" o="" c.="" based="" on="" the="" calculated="" value,="" we="" fail="" to="" reject="" h,="" and="" conclude="" that="" there="" is="" not="" adequate="" evidence="" for="">< 4="" at="" the="" 0.10="" level.="" o="" d.="" based="" on="" the="" calculated="" value,="" we="" fail="" to="" reject="" ho="" and="" conclude="" that="" there="" isadequate="" evidence="" for="">< 4="" at="" the="" 0.10="" level.="" oo="">