The Average Monthly Rent for One-Bedroom Apartments in Chattanooga Has

The average monthly rent for one-bedroom apartments in Chattanooga has been $800. Because of the downturn in the real estate market, it is believed that there has been a decrease in the average rental. The correct hypotheses to be tested are

A) H₀: μ ≥ 800 H_a: μ < 800.
B) H₀: μ = 800 H_a: μ ≠ 800.
C) H₀: μ > 800 H_a: μ ≤ 800.
D) H₀: μ < 800 H_a: μ ≥ 800.