meili 发表于 2022-10-27 15:30:56

Twocardsaredrawnfromawell-shuffleddeckof52playingcards.LetXdenotethenumberofacesdrawn.FindP(X=0).(Roundyouranswertothreedecimalplaces.)

<p>问题:Twocardsaredrawnfromawell-shuffleddeckof52playingcards.LetXdenotethenumberofacesdrawn.FindP(X=0).(Roundyouranswertothreedecimalplaces.)
<p>答案:↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">段会川的回答:<div class="content-b">网友采纳  P(X=0)=(12/13)(47/51)=0.851
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