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  • Manishankar Singh thinks this is interesting:

This means we need to use

From

Cover of Head First Statistics

Note

The following formula is horribly wrong!!!
The formula should have been
P(Game2 | Satisfied ) =
P(Satisfied | Game2)P(Satisfied)
-----------------------------------------------------------------------------------
P(Game2)P(Satisfied | Game2) + P(Game1)P(Satisfied | Game1)

Please check errata page http://www.oreilly.com/catalog/errata.csp?isbn=9780596527587