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

Multiple Choice

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) $\pm 2.33$