A random sample of the number of farms (in thousands) in various states is reported below. (15 pts)

47 95 54 33 64 4 8 57 9 80 8 90 3 49 4 44 79 80 48 16 68 7 15 21 52 6 78 109 40 50 29

Estimate the mean number of farms per state with 90% confidence.

Assume = 31.

Provide your calculated answer then round and provide a whole number answer.

x= ________ = 3