In a Chi-Square Test for the Equality of Three Population $\pi$

Multiple Choice

In a chi-square test for the equality of three population proportions, the appropriate null and alternative hypotheses are

A) H0: $\pi$ ₁ = $\pi$ ₂ = $\pi$ ₃ Ha: $\pi$ ₁ ≠ $\pi$ ₂ ≠ $\pi$ ₃
B) H0: $\pi$ ₁ < $\pi$ ₂ < $\pi$ ₃ Ha: $\pi$ ₁ > $\pi$ ₂ > $\pi$ ₃
C) H0: $\pi$ ₁ = $\pi$ ₂ = $\pi$ ₃ Ha: $\pi$ ₁ ≠ $\pi$ ₂ and $\pi$ ₂ ≠ $\pi$ ₃
D) H0: $\pi$ ₁ = $\pi$ ₂ = $\pi$ ₃ Ha: $\pi$ ₁ ≠ $\pi$ ₂ or $\pi$ ₂ ≠ $\pi$ ₃
E) None of the above