超簡單機率問題! - 拼圖

By Anonymous
at 2006-06-05T20:24
at 2006-06-05T20:24
Table of Contents
※ 引述《fdis ( )》之銘言:
: : : 甲、乙兩顆球放暗袋,小明抽一次,抽到甲球的機率是多少?
: → fdis:我這題重點是要你"列算式" 06/05 20:22
: → fdis:"任何答案都會有一個算式的吧……"這句話是您說的 06/05 20:22
這題不難
因為只有兩個球,所以
1
甲球被抽中的機率 = ------- = 1/2
1 + 1
--
: : : 甲、乙兩顆球放暗袋,小明抽一次,抽到甲球的機率是多少?
: → fdis:我這題重點是要你"列算式" 06/05 20:22
: → fdis:"任何答案都會有一個算式的吧……"這句話是您說的 06/05 20:22
這題不難
因為只有兩個球,所以
1
甲球被抽中的機率 = ------- = 1/2
1 + 1
--
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