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Mathematics, 25.03.2021 23:00 johnplog2924
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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