A Commuter Has Two Different Routes Available to Drive to Work.She

Multiple Choice

A commuter has two different routes available to drive to work.She wants to test whether route A is faster than route B.The best hypotheses are:

A) H₀ : μ_A - μ_β ≥ 0
H_A : μ_A - μ_β < 0
B) H₀ : μ_A - μ_β ≤ 0
H_A : μ_A - μ_β > 0
C) H₀ : μ_A - μ_β = 0
H_A : μ_A - μ_β ≠ 0
D) H₀ : μ_A - μ_β < 0