Used cars. A business student is searching for a used car to purchase, so she posts an
Question:
Used cars. A business student is searching for a used car to purchase, so she posts an ad to a website saying she wants to buy a used Jeep between $18,000 and $20,000.
From Kelley’s BlueBook.com, she learns that there are 149 cars matching that description within a 30-mile radius of her home. If we assume that those are the people who will call her and that they are equally likely to call her:
Price $18,000–$18,999 $19,000–$19,999 Total Car Make Commander 3 6 9 Compass 6 1 7 Grand Cherokee 33 33 66 Liberty 17 6 23 Wrangler 33 11 44 Total 92 57 149
a) What is the probability that the first caller will be a Jeep Liberty owner?
b) What is the probability that the first caller will own a Jeep Liberty that costs between $18,000 and $18,999?
c) If the first call offers her a Jeep Liberty, what is the probability that it costs less than $19,000?
d) Suppose she decides to ignore calls with cars whose cost is Ú$19,000. What is the probability that the first call she takes will offer to sell her a Jeep Liberty?
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