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it is estimated that only 68% of drivers wear their safety belt. Part A: what is...

it is estimated that only 68% of drivers wear their safety belt.
Part A: what is the probability that exactly 3 drivers are wearing their safety belt if a police officer pulls over five drivers?
Part B: what is a probability the next driver wearing their safety belt that the police officer pulls over the fifth driver?
Math   Statistics-And-Probability   
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