Question\ Determine the critical value or values for a one-mean

z

-test at the

2.5%

significance level if the hypothesis test is left-tailed (

{

(

:H_(a):\\\\mu

}\ \\\\table[[

z_(0.10)

,

z_(0.05)

,

z_(0.025)

,

z_(0.01)

,

z_(0.005)

Question Determine the critical value or values for a one-mean z-test at the 2.5% significance level if the hypothesis test is left-tailed ( Ha: