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If the purpose is to calculate the probability of one event AND a second event, the odds scores for...

If the purpose is to calculate the probability of one event AND a second event, the odds scores for the events are _________

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asked Sep 10, 2021 in Bioinformatics by nolan (111k points)

If the purpose is to calculate the probability of one event AND a second event, the odds scores for the events are _________

(a) added

(b) multiplied

(c) multiplied and added

(d) subtracted

I have been asked this question during an internship interview.

Question is from Bayesian Statistics in portion Sequence Alignment of Bioinformatics

bioinformatics
sequence alignment
bayesian statistics

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1 Answer

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answered Sep 13, 2021 by myra (687k points)
selected Sep 13, 2021 by nolan

Best answer

Right choice is (b) multiplied

To elaborate: An example is the calculation of the odds of an alignment of two sequences from the alignment scores for each of the matched pairs of bases or amino acids in the alignment. The odds scores for the pairs are multiplied. Usually, the log odds score for the first pair is added to that for the second, etc., until the scores for every pair have been added.

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