Determine the critical value, z0, to test the claim about the population proportion $\mathrm { p } \neq$ .325 given n = 42 $\text { and } \hat { p } = 0.247 \text {. Use } \alpha = 0.05 \text {. }$
A) $\pm 1.96$
B) $\pm 2.575$
C) $\pm 1.645$
D) $\pm 2.33$

Question

Quizplus · Accepted Answer

For a two-tailed test with $\alpha = 0.05$, the critical value $z_0$ corresponds to the z-scores that cut off the outer 5% of the distribution, split into 2.5% in each tail. This critical value is $\pm 1.96$.

Determine the Critical Value, Z0, to Test the Claim About p≠\mathrm { p } \neqp=

Determine the Critical Value, Z0, to Test the Claim About $\mathrm { p } \neq$