A particular automobile costs an average of $21,755 in the Pacific Northwest. The standard deviation of prices is $650.

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A particular automobile costs an average of $21,755 in the Pacific Northwest. The standard deviation of prices is $650.

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A Particular Automobile Costs An Average Of 21 755 In The Pacific Northwest The Standard Deviation Of Prices Is 650 1
A Particular Automobile Costs An Average Of 21 755 In The Pacific Northwest The Standard Deviation Of Prices Is 650 1 (12.45 KiB) Viewed 20 times
A particular automobile costs an average of $21,755 in the Pacific Northwest. The standard deviation of prices is $650. Suppose a random sample of 40 dealerships in Washington and Oregon is taken and their managers are asked what they charge for this automobile. What is the probability of getting a sample average cost of less than $21.500? Assume that only 120 dealerships in the entire Pacific Northwest sell this automobile.
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