Suppose the mean of a sample is 32. Which of the following ranges of possible values could be the confidence interval used to estimate the population mean?

What is the smallest integer n such that n\sqrt{2} is greater than 20

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.