Question: 41
(Choose 1 answer)
(See picture)
A. -1.645
B. 1.645
C. 1.96
D. -1.96
A hypothesis will be used to test that a population mean equals 5
against the alternative that the population mean is less than 5 with
known variance. What is the critical value for the test statistic for
the significance level α = 0.05?
Let
Zo.05 = 1.645, Zo.025 = 1.96.