In the name of ALLAH, the most beneficient, the most merciful

Statistics and Probability (STA301)

Question (select most suitable option)

  For test hypothesis Ho:μ 1 = μ 2 and H1:μ1 < μ2, the critical region at 0.05 level of significance and n > 30
Z less and equal 1.96
Z> 1.96
Z>1.645
Z<-1.645