In order to do a one-sample t-interval, we would have to assume that the sample of subjects* is a SRS and the population of observations* has no outliers ... . Choose the correct ending of the above sentence. * We don't want to give away what the subjects and observations are, that's why we did not mention them here. and is without a doubt bell-shaped and is symmetric and is Uniformly distributed and is skewed and is Normally distributed (nothing needs to go here because the sample size is large)