Suppose a research team takes a simple random sample of 100 parma wallabies. in this sample, the tails of the wallabies have a mean length of 46 centimeters and a standard deviation of 2.6 centimeters. what percent of the time could a simple random of 100 parma wallabies have a sample mean that is not in the 95% confidence interval? 5% 0% 2.5% 20%