Question

see attachment?

Answer 1

@jim_thompson5910 which set do i use?

Answer 2

you are working with the xbar distribution (ie the distribution of sample means)

so you'll be using the second set of numbers

Answer 3

notice how next to mu is the xbar notation

Answer 4

same for sigma

Answer 5

so that gives you a clue

Answer 6

so this?

Answer 7

correct

Answer 8

those are the mean and standard deviation of the xbar distribution (marked by the xbar off to the right)