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# conditional probability and joint probability

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2. For the following table, what is the value of :
a) P(A1)
b) P(B1&#9474;A2)
c) P(B2 and A3). Compute this as P(B2)*P(A3&#9474; B2) . In what row and column will you find this answer? Rows are B1 & B2: columns are A1, A2 & A3.

Second Event
First Event
A1 A2 A3 Total
B1 2 1 3 6
B2 1 2 1 4
Total 3 3 4 10

##### Solution Summary

Conditional probability and joint probability are caculated using the data from the table.

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