The Federal Government is stepping up efforts to reduce average
The Federal Government is stepping up efforts to reduce average response times of fire departments to fire calls. The distribution of mean response times to fire calls follows a normal distribution with a mean of 12.8 minutes and a standard deviation of 3.7 minutes. 
a. Find the probability that a randomly selected response time is less than 15 minutes.
b. Find the probability that a randomly selected response time is between 13 minutes and 15 minutes. c. The fastest 20% of fire departments will be singled out for a special safety award. How fast must a fire department be in order to qualify for the special safety award?

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