In Testing the Null Hypothesis H₀ = $p _ { 1 } - p _ { 2 }$

Multiple Choice

In testing the null hypothesis H₀ = $p _ { 1 } - p _ { 2 }$ = 0, if H₀ is true, the test could lead to:

A) a Type I error.
B) a Type II error.
C) either a Type I or a Type II error.
D) None of these choices are correct.