[考題] 統計 地特考題
[考題] 94年地特第二次考試統計學試題
甲乙丙公司擬採購一批零件,適有丁供應商前來推銷數量與價格均符合需要之該種零
件。該公司根據過去與該供應商交易的經驗,判斷該批零件不良率為5%的機率為
0.35,不良率為10%的機率為0.65。因此決定當場自該批零件中隨機抽驗5 個,若無
瑕疵則全部買下。
試計算能成交的機率。
小弟覺得解答怪怪 想請教高手解法
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