h. If ,u, : 85 and o : 5, nd the probabilities that the: i. Mean Recording Time of 64 Recordings exceeds 8430\". ii. Total Recording Time of 100 Recordings exceeds 6 days. i. Using 0' = 5, how large a Sample would we need in order to estimate Mean Recording Times for Mahler's 9th Symphony to a: i. 95% Error Margin of 2 minutes? ii. 99.5% Error Margin of 48 seconds? iii. Compare your answers and explain their difference