Dear authors, Can you please specify why are we allowed to consider two bedrooms as one bedroom? If we think about rooms as positions, they are 2 different ones. Are you sure we can reduce the initial number of positions by just 1 instead of 2? Kind regards, Vladimir

Hey Vladimir, Thank you for reaching out! Since the two bedrooms will be painted in the same color, we need to choose 6 colors among all 9 options. This is equivalent to considering 6 rooms instead of 7 and reaches the same solution, namely, Hope this helps! Let me know if something remains unclear! Kind regards, 365 Hristina

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Vladimir Surovtsev

Last answered:

01 Nov 2022

Posted on:

29 Oct 2022

Problem 3, question "c"

in Probability / Practical Example - Combinatrics

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Hristina Hristova

Instructor

Posted on:

01 Nov 2022

Problem 3, question "c"

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