Automobile repair costs continue to rise with the average cost now at $367 per repair.† Assume that the cost for an auto
Posted: Wed May 11, 2022 7:53 am
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.)
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.)