Difference between revisions of "Probability tree"

Latest revision as of 20:01, 27 August 2020

For Independent events it is simple multiplication of each choice: {{{ P(plain chocolate) * P(brown eyes) = 0.2 X 0.3 = 0.06 }}}

For Dependent events it is using conditional probability. Red) + P(Woman

@@ Line 1: / Line 1: @@
-Probability tree
+For [[Independent events|Independent events]] it is simple multiplication of each choice:
+{{{
+P(plain chocolate) * P(brown eyes) = 0.2 X 0.3 = 0.06
+}}}
+<html>
+<img src="/static/files/MBI/Module%207/probabilitytreeindependent.PNG" width=600>
+</html>
+For [[Dependent events]] it is using conditional probability.
+{{{
+P(Woman) = P(Woman|Red) + P(Woman|Blue) + P(Woman|Yellow)
+}}}
+<html>
+<img src="/static/files/MBI/Module%207/probabilitytreedependent.PNG" width=500>
+</html>
+Part of [[M7-Quantitative Decision Methods-S2 - Probability and decision trees|M7-Quantitative Decision Methods-S2 - Probability and decision trees]]
 [[Category:mbi]]
 [[Category:Term]]