Gasoline Mileage for Autos and Trucks Of the top 10 cars

Chapter 4, Problem 26

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QUESTION:

Gasoline Mileage for Autos and Trucks Of the top 10 cars and trucks based on gas mileage, 4 are Hondas, 3 are Toyotas, and 3 are Volkswagens. Choose one at random. Find the probability that it is a. Japanese 0.7 b. Japanese or German 1 c. Not foreign 0 Source: www.autobytel.com

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QUESTION:

Gasoline Mileage for Autos and Trucks Of the top 10 cars and trucks based on gas mileage, 4 are Hondas, 3 are Toyotas, and 3 are Volkswagens. Choose one at random. Find the probability that it is a. Japanese 0.7 b. Japanese or German 1 c. Not foreign 0 Source: www.autobytel.com

ANSWER:

Step 1 of 3

a)Let  be the event that a car is Japanese. Both Toyota and Honda are Japanese car manufacturers according to an online resource.

So event  contains 7 elements from  - events that chosen car is car 1-7

Rule of classical probability:

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