A random sample of 15 monthly rents for twonhedroom apartments was selected from a certain city. The mean of this sample is $63 6. Assume the population standard deviation is $121. A group of students think the mean rent for twowbedroom apartments is less than $650. Test their claim with a signicance level of o; = 0.05 . Use this scenario to answer questions L5. 1) State the alternative and null hypothesis. 2) Calculate the test statistic. 3) Identify the p-value. 4) Make your decision. 5) Interpret the results