A study time survey is conducted of 39 UGA students and a mean x-bar=110 minutes is obtained. Test whether the UGA study times differ from the national average of 120 min.? Assume study times have a normal distribution with a known standard deviation of =30 minutes. Use the 5% significance level. |Enter the ALTERNATIVE HYPOTHESIS, H1 number. ______________________________ Note: Enter INGEGER 1, 2 or 3, No decimal for selection: 1) H1: mean > 120 2) H1: mean < 120 3) H1: mean Not Equal To 120