Computing normal probability 1 | Management homework help

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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?
 
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