for practice only: You may need to use the appropriate appendix table to answer this question.

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 about the cost of automobile repairs.

(a)

What is the probability that the cost will be more than $470? (Round your answer to four decimal places.)

(b)

What is the probability that the cost will be less than $250? (Round your answer to four decimal places.)

(c)

What is the probability that the cost will be between $250 and $470? (Round your answer to four decimal places.)

(d)

If the cost for your car repair is in the lower 5% of automobile repair charges, what is your maximum possible cost in dollars? (Round your answer to the nearest cent.)

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