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31 votes
31 votes
you pick a card at random. without the first card back, you pick the second card at random.that cards are 1,2,3what is the problem picking a 3 and then picking a 2? write as a percentage.

User Rwos
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1 Answer

23 votes
23 votes
Picking cards at random

Answer

16.67%

Step-by-step explanation

We have two independent rounds.

- First round: probability of picking a 3.

We have 1 favorable event (picking a 3) and 3 possible events (cards 1, 2 and 3). The probability is given by the division:


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User Yegodz
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