In the Goel-Okumoto reliability growth model, what is the correct mean value function m(t) and what do the parameters represent?

• A. m(t) = a e^{−bt}; a = initial faults, b = decay rate.
• B. m(t) = a t; a = total faults, b = time scaling.
• C. m(t) = a(1 − e^{−bt}); a = total expected faults, b = detection rate.
• D. m(t) = a + b t; a = baseline faults, b = growth rate.

Answer: (C)