A sample of 68 books has a mean cost of $59.73 and a standard deviation of $5.37. Use this information and the special cases of Chebychev's rule to complete the statements below: (i) At least 51 of the 68 books cost between ___________ and ___________; (i) $43.62, $75.84 (ii) 52 (i) $54.36, $65.10 (ii) 61 (i) $46.31, $73.16 (ii) 56 (i) $48.99, $70.47 (ii) 61