1.

IF_S=‚ÂÀ√¨‚ÀÖ√¢+J‚ÂÀ√≠¬¨¬©_AND_Z=REJ‚ÂÀ√¨‚ÀÖ¬¢,_THEN_WHAT_IS_THE_CONDITION_ON_‚ÂÀ√¨‚ÀÖ√¢_IF_R<1??$#

A. σ > 0
B. σ < 0
C. σ > 1
D. σ < 1
Answer» C. ‚âà√¨‚àö√¢ > 1


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