Question

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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  • CreatedJuly 26, 2013
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