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40 PTS SHOW WORK!
Consider the data regarding car costs. The mean is $22,000 and the standard deviation is $2,000.
a) Not everyone pays the same price for the same model of car. Use the 68-95-99.7% Rule to find what percentage of buyers paid between $18,000 and $26,000.
b) The middle 99.7% of car costs are between what values?
c) What is the probability a car will cost less than $24,000?
d) What is the probability a car will cost more than $26,000?