Unformatted text preview: Owns P Y PROBABILIT L CONDITIONA Cat Owns P Y PROBABILIT SIMPLE 2. Are DVD player ownership and TV ownership statistically independent events, based on this data from 800 families? Owns TV No TV Total Owns DVD player 510 90 600 No DVD player 170 30 200 Total 680 120 800 ( 29 ( 29 % 75 680 510 : % 75 800 600 : = = = = TV Owns player DVD Owns P Y PROBABILIT L CONDITIONA player DVD Owns P Y PROBABILIT SIMPLE These two events are statistically independent . The event of a family owning a TV does not affect the probability of a family owning a DVD player. You will get the same conclusion if you start with “Owns TV” instead of “Owns DVD player”: try it. Math 40 SP ‘11...
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 Spring '11
 Clark
 Conditional Probability, Probability, Probability theory, DVD player, simple probability

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