answer part 3 25 versus H1: µ za Reject Ho if z za O Reject Ho if z za Reject Ho if z Za Reject Ho if z > zg O Reject Ho if z zg Reject Ho if z

answer part 3

Extracted text: 25 versus H1: µ < 25.="" the="" population="" variance,="" o²,="" is="" suppose="" you="" perform="" the="" hypothesis="" test="" ho:="" µ="" known.="" the="" sample="" size="" is="" n="50." assume="" the="" significance="" level="" is="" 0.005.="" part="" 1:="" 1)="" should="" you="" use="" z="" or="" t="" to="" find="" the="" critical="" value?="" ot="" part="" 2="" of="" 4="" part="" 2:="" 2)="" choose="" the="" correct="" critical="" region.="" o="" reject="" ho="" if="" z=""> za Reject Ho if z < reject="" ho="" if="" z=""> za O Reject Ho if z < reject="" h,="" if="" z=""> za Reject Ho if z < za="" or="" z=""> Za Reject Ho if z > zg O Reject Ho if z < za="" or="" z="" 2="" za="" reject="" ho="" if="" z="">< za="" reject="" ho="" if="" z="">< zg="" or="" z=""> zg Reject Ho if z < za="" o="" reject="" h,="" if="" z="">< –="" zg="" or="" z="" 2="" z="" part="" 3="" of="" 4="" part="" 3:="" 3)="" identify="" the="" critical="" value.="" if="" using="" z,="" round="" to="" 2="" decimals;="" if="" using="" t,="" round="" to="" 3="" decimals.="">