18. State the null hypothesis necessary to test whether the proportion of trsactions assigned to the cach of the five memory locations differ.
(A)612d9e0d5b263.jpg
(B) 612d9e2751814.jpg
(C)612d9e506687f.jpg
(D)612d9e6e3492d.jpg

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統計： A(0), B(1), C(2), D(1), E(0) #2766606