B. A report in a business journal stated that the average time that new graduates secure their first job is within 9 months. The Principal of a recruitment agency believes that Malaysian graduates take less time to secure their first job after graduation. She randomly selected 35 new graduates and the mean duration for this sample is 7.5 months. The standard deviation of the population is known to be 1.8 months. Is there enough evidence to support the Principal's belief? Perform a test at = 0.03.