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cwrw238 Group Title

There are 5 keys. Each one will open one of five cars. If i pick one of the keys at random and try to open one of the cars what is the probability that its the right key?

  • 2 years ago
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  1. mukushla Group Title
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    1/5 ?

    • 2 years ago
  2. cwrw238 Group Title
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    right - you guys are pretty good - most people say its 1/25

    • 2 years ago
  3. cwrw238 Group Title
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    - it doesn't matter which key you pick

    • 2 years ago
  4. UnkleRhaukus Group Title
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    \[\langle x\rangle=\frac{1/5}{1}=\frac 15\]

    • 2 years ago
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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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