Given H₀: μ ≥ 18 and H₁: μ < 18

Multiple Choice

Given H₀: μ ≥ 18 and H₁: μ < 18, we would commit a Type I error if we:

A) conclude that μ ≥ 18 when the truth is that μ < 18.
B) conclude that μ < 18 when the truth is that μ ≥ 18.
C) fail to reject μ ≥ 18 when the truth is that μ < 18.