{{ block title }} Equal Initial Probability {{ endblock }} {{ block content }}

Scenario 1

Box Yellow is four times more probable than Green of being selected as the actual outcome. Then, the initial probability of outcome Y equals 80%. Please, indicate the probability of this outcome after observing different signals.


Box Initial Probability of being selected Number of yellow marbles Number of green marbles Total number of marbles
Yellow 80% 15 5 20
Green 20% 15 5 20
Sample of two Marbles Number of yellow marbles Indicate the probability of the sample coming from the Yellow box (i.e. the final probability of outcome Y)
2

50

1

50

0

50

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