A distance AB is observed repeatedly using the same equipment and procedures, and the results, in meters, are listed below 67 401, 67 400. 67 402, 67 396. 67 401.67 396, 67 401, 67 405, and 67 404 Part A Determine the range within which the observations should fall 90% of the time Express your answers in meters to six significant figures separated by a comma Lower bound. Upper bound- Submit Request Answer Part B Complete previous part(s) Part C Determine the range within which the observations should fall 95% of the time. Express your answers in meters to six significant figures separated by a comma. . 11 Lower bound. Upper bound- Submit Request Answer Part D Complete previous part(s) ? ?