What requirements are necessary for a normal probability distribution to be a standard normal probability distribution? Choose the correct answer below. O A. The mean and standard deviation have the values of u = 0 and c = 1. ) B. The mean and standard deviation have the values of u = 1 and o = 1. O C. The mean and standard deviation have the values of u = 1 and o = 0. ) D. The mean and standard deviation have the values of u = 0 and o = 0