based on a random sample 100 penn state factuly members, 90% comfidence intervalfor true mean monthly mortgage payments.correct inerorattion of this interval is:

-we are 90% confident that monthly mortgage payment of the sampled 100 penn state actually members is bw $1700 and $2500.

-we are 90% confident that monthly mortgage payment of the randomly selected penn state faculty is bw $1700 and $2500

- We are 90% confident that true mean monthly mortgage payment of penn state faculty is bw $1700 and $2500.