[問題] 虛無假設的問題
目前正在算資管所的分章題庫 (這本滿多錯誤的)
裡面有一題關於虛無假設的題目是這樣的
the academic planner of a university thinks that at least 35% of the
entire student body attends summers school.The correct set of hypotheses to
test his belief is?
我認為既然規劃人員認為會有至少35%的學生會來暑期班
那虛無假設應該會是
H0 : P >= 0.35 v.s. H1 : P < 0.35
但答案給的是
H0 : P <= 0.35 v.s. H1 : P > 0.35
請問是答案有錯還是我的想法有錯呢
若我的想法又錯又是錯在哪?
謝謝回答
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