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Answer to Question #51454 in Statistics and Probability for Tatenda
Question #51454
Police estimate that 80% of drivers wear their seatbelts. They set up a safety road block stopping, cars to check for seatbelt use. If they stop 9 cars, what is the probability that:
1.1) Exactly three drivers are not wearing their seatbelts?
1.2) At least 3 drivers are not wearing their seatbelt?
1.3) At least 2 drivers but no more than 4 drivers are not wearing their seatbelt?
1.1) Exactly three drivers are not wearing their seatbelts?
1.2) At least 3 drivers are not wearing their seatbelt?
1.3) At least 2 drivers but no more than 4 drivers are not wearing their seatbelt?
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