A new gas-electric hybrid car has recently hit the market. The distance traveled onÂ
1 gallon of fuel is normally distributed with a mean of 65 miles and a standardÂ
deviation of 4 miles. Find the probability of the following events. (show theÂ
concerned region by z curve)Â
1. The car travels more than 70 miles per gallon.
2. The car travels less than 60 miles per gallon.
3. The car travels between 55 and 70 miles per gallon.
The answer to your question is provided in the image:
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