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Problem 3. Assume that the amount of property damage in a trafc accident damages is well-approximated by a lognorlnal distribution with ,u : 3 and 0' : 2.5. (a) What are the mean and standard deviation of the property damage caused by an accident? (b) What is the probability that an accident causes more than $400 property damage? ((3) What is the 90th percentile of the damage? ) (d What is the median damage