Answer these questions, please so confused

D Question 41 2 pts When a sample is less than 60, it is appropriate to when computing the standard error of the mean subtract 1 from n O add 1 to n estimate the margin of error O caculate the confidence interval Question 42 2 pts A general statistical rule states that a distribution of means from large samples will most likely have a normal shape will not likely be skewed will less likely vary from the mean O will not be greater than 3 standard deviations