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112年 - 112 身心障礙學生升學大專校院甄試試題_四技二專組_共同科目:數學(A)#118660
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19.設有小樂透共有10個數字1~10可供選號,每注可選3個號碼,每次開獎開出4個號碼以供對獎,特獎對中3個號碼可得1000元,首獎對中2個號碼可得10元,其餘情況沒有中獎(獎金0元),則每注中獎獎金的期望值約為多少?
(A)26元
(B)36元
(C)46元
(D)60元
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詳解 (共 1 筆)
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B1 · 2025/10/30
#6995437
題目解析 本題主要考察小樂透中獎的期望...
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