Question 1
In order to test the following hypotheses at an α level of significance
H0: μ
800
Ha: μ> 800
the null hypothesis will be rejected if the test statistic Z is
◦
Zα
◦
< Zα
◦
< -Zα
◦
= α
Question 2
In the hypothesis testing procedure, α is
◦
the level of significance
◦
the critical value
◦
the confidence level
◦
1 - level of significance