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Suppose you have a protein that can assume four possible conformations (A,B,C,D). When prepared, the protein...

Suppose you have a protein that can assume four possible conformations (A,B,C,D). When prepared, the protein is equally likely to assume any of the conformations and will remain in that conformation. Suppose you prepare four protein samples and determine the conformation of each.

1) What is the probability of finding only one sample with the protein in structure A?

2) What is the probability of finding structure C in less than two samples (meaning either in zero or in one sample)?

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