50.若核醫的試樣計測值是50 ± 4,其90%信賴區間為:
(A)43.4~56.6
(B)46.0~54.0
(C)42.2~57.8
(D)48.0~52.0
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統計: A(923), B(217), C(411), D(120), E(0) #2973124
統計: A(923), B(217), C(411), D(120), E(0) #2973124