e of 64 universities and finds the mean i s $5850 and t he sample standard deviation is $600. Is there a evidence th at supports the claim at ? = .01?

Scientist Bob wants to test the claim of average cost of our tuition and fees at a 4 year university is less than $ 6000. he selects a random sample of 64 universities and finds the mean i s $5850 and t he sample standard deviation is $600. Is there a evidence th at supports the claim at ? = .01?