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The table shows the outcome of car accidents in Florida for a recent year by whether or not the driver wore a seat belt. Use the data to solve the exercise. Express probabilities as fractions and as decimals rounded to three places.
Find the probability of not wearing a seat belt, given that a driver did not survive a car accident.
We are given the normal random variable whose mean has value and standard deviation has value . Goal is to calculate the probability . Let's try to standardize this probability. For any normal random variable with mean and standard deviation , the following equality is true:
Since we have values for mean and standard deviation, we get that:
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