Mathematics, 30.05.2020 22:02, josephaciaful
A 2011 study by the National Safety Council estimated that there are nearly 5.7 million traffic accidents a year. At least 28\% of them involved distracted drivers using cell phones or texting. The data showed that 11\% of drivers at any time are using cell phones. Car insurance companies base their policy rates on accident data that show drivers have collisions approximately once every 19 years. Thats a 5.26\% chance per year. Given what you know about probability, determine if a cell phone use while driving and traffic accidents are related. A) Let DC= event that a randomly selected driver is using a cell phone. What is P(DC)? B) Let TA= event that a randomly selected driver has a traffic accident. What is P(TA)? Hint: What is the probability on any given day? C) How can you determine if cell phone use while driving and traffic accidents are related? D) Given that the driver has an accident, what is the probability that the driver was distracted by a cell phone? write this events with the correct conditional notation. E) What is the probability that a randomly selected driver will be distracted by using a cell phone and have an accident? F) For a randomly selected driver, are the events "driving while using a cell phone" and "having a traffic accident" independent events? Explain answer.
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