AI need to know how to find the rejection region for the sta

A)I need to know how to find the rejection region for the standardized test statistic -2.83:

B) I also need to know how to find the rejection region for the standarized test statistic -3.146

Solution

A)I need to know how to find the rejection region for the standardized test statistic -2.83:

Critical Value
LEFT TAILED: The Value of |Z | at LOS is compared to Zo, Reject Z>-2.83
TWO TAILED: The Value of |Z | at LOS is compared to Zo, Reject Z>-2.83, Reject Z<2.83

B) I also need to know how to find the rejection region for the standarized test statistic -3.146
Critical Value
LEFT TAILED: The Value of |Z | at LOS is compared to Zo, Reject Z>-3.146
TWO TAILED: The Value of |Z | at LOS is compared to Zo, Reject Z>-3.146, Reject Z<-3.146