# conditional probability and joint probability

2. For the following table, what is the value of :

a) P(A1)

b) P(B1│A2)

c) P(B2 and A3). Compute this as P(B2)*P(A3│ 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

https://brainmass.com/statistics/probability/conditional-probability-joint-probability-212984

#### Solution Summary

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

$2.19