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OpenStudy (anonymous):
The movie watching habits of a large number of married couples in the city were analyzed. It was found that 15% of husbands watch movies and, if the husband watches a movie then there is a 75% chance the wife also watches the movie. Use the information to calculate the probability that the husband and wife both watch the movie.
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OpenStudy (anonymous):
For this you would just multiply the probabilities together: 0.15*0.75 = 0.1125 = 11.25%
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