# Computing Probability

Case 1:
Automobile repair costs continue to rise with the average cost now at \$367 per repair. Assume that the cost for an automobile repair is normally distributed with a standard deviation of \$88. Answer the following questions:
1. What is the probability that the cost will be more than \$450?
2. What is the probability that the cost will be less than \$250?
3. What is the probability that the cost will be between \$250 and \$450?
4. If the cost for your car repair is in the lower 5% of automobile repair charges, what is your cost?

Case 2:
The American Automobile Association (AAA) reported that families planning to travel over the labor day weekend would spend an average of \$749. Assume that the amount spent is normally distributed with a standard deviation of \$225. Answer the following questions:
1. What is the probability of family expenses for being less than \$400?
2. What is the probability of family expenses for being \$800 or more?
3. What is the probability that family expenses will be between \$500 and \$1000?
4. What would be the Labor Day weekend expenses have to be for the 5% of the families with the most expensive travel plans? Computing Probability is rated 4.8/5 based on 78 customer reviews.

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