1. An SRS of size 10 is drawn from a population that has a normal distribution. The sample has a mean of 111 and a standard deviation of 4.
Give the standard error of the mean___.
2.What is the value of t*, the critical value of the t distribution for a sample of size 10, such that the probability of being greater than t* is 1%?
t* =
3.What is the value of t*, the critical value of the t distribution for a sample of size 26, such that the probability of being greater than t* or less than -t* is 1%?
t* =