Statistics: Ch 4 Probability in Statistics (56 of 74) Bayes' Rule: Ex. 1

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We will summarize the differences between independent and mutually exclusive events.
Mutually exclusive - 2 events cannot occur together. They do not intersect in a Venn diagram. If one occurs the other event cannot occur.

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We will use Bayes' Rule (Theorem) to solve: Box 1 contains 2-red, 1-blue marbles; Box 2 contains 1-red, 3-blue marbles. One red ball is picked. What is the probability the marble came from Box 1? P(A)=P(Box 1)=?, P(B)=P(Box 2)=?, P(A|B)=? Example 1

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[technicallittlemaster]

I really needed Bayes theorem lectures from you
Thanks a lot sir

[aram]

What I find interesting - and somewhat counter-intuitive - is that the total number of all marbles equals 7, and 7 is nowhere to be found in the entire course of solving this problem. At first glance one might want to relate all the probability to that number though.