Assume that weights of adult females are normally distributed with a mean of 77 kg and a standard deviation of 20 kg. What percentage of individual adult females have weights less than 71 kg? If samples of 36 adult females are randomly selected and the mean weight is computed for each sample, what percentage of the sample means are less than 71 kg? . @~ The percentage of individual adult females with weights less than 71 kg is D%. (Round to one decimal place as needed.)