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(Solved): Automobile Repair Costs. Automobile repair costs continue to rise with the average cost now at \( \ ...




Automobile Repair Costs.
Automobile repair costs continue to rise with the average cost now at \( \$ 367 \) per repair (U.S.
Automobile Repair Costs. Automobile repair costs continue to rise with the average cost now at \( \$ 367 \) per repair (U.S. News \& World Report website). Assume that the cost for an automobile repair is normally distributed with a standard deviation of \( \$ 88 \). Answer the following questions about the cost of automobile repairs. 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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Let X be a random variable which defines the cost for an automobile repair. Given, X~N(?,?2) where, ?=$367 and ?=$88 Then, z=x?36788~N(0,1)
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