The average time spent studying for a class was more than 120 minutes per week among previous students of that class. A sample of 66 students has an average time of 112 minutes. Suppose the population standard deviation is 3.5 minutes.

a) State the hypothesis

b) calculate the test statistic

c) give the p-value

d) provide the appropriate alpha value at 95% confidence

e) use the p-value to make a decision about the hypothesis