X=54 n=36 o=5.6 Ho: u=56 Ha: u<56, a=0.05

X=54 n=36 o=5.6 Ho: u=56 Ha: u<56, a=0.05
reject Ho if Z<-1.645: Z=-0.36
reject Ho if Z<-1.96: Z=-2.14 conclude that u<56
reject Ho if z>-1.645: Z= -2.14, data does not provide sufficient evidence to support Ha:u<56
reject Ho if Z= -1.645 Z=-2.14 therefor reject Ho and conclude that u<56