8 The adult population on a cruise ship has a total of 1564 and can...
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8 The adult population on a cruise ship has a total of 1564 and can be divided into 3 educational level categories B adults with less than high school B adults with high school diploma and B3 adults with a baccalaureate or more The probabilities of selecting an adult at random within these categories are P B 7 4 P B 53 3 and P B3 39 3 Certain percent of the adults in each educational level category read an astrology report every day event A The percentages are P A B 9 P A B 7 and P A B3 4 For one of these adults selected at random determine the probability that he or she a reads an astrology report every day Answer P A b is an adult with a high school diploma given that he or she reads an astrology report every day Answer P B 4
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