A Sample of 56 Books Has a Mean Cost of $91.14

Multiple Choice

A sample of 56 books has a mean cost of $91.14 and a standard deviation of $9.02. Use this information and the special cases of Chebychev's rule to complete the statements below:
(i) At least 42 of the 56 books cost between ____and____
(ii) At least ______of the 56 books cost between $\$ 64.08$ and $\$ 118.20$ .

A) (i) $\$ 68.59 , \$ 113.69$
(ii) $46$
B) (i) $\$ 82.12 , \$ 100.16$
(ii) $50$
C) (i) $\$ 73.10 , \$ 109.18$
(ii) $50$
D) (i) $\$ 64.08 , \$ 118.20$
(ii) $43$