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gigi1103
gigi1103
25.03.2021 • 
Mathematics

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 $430? (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 $430? (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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