. A new gas-electric hybrid car has recently hit the market. The distance traveled on 1 gallon of fuel is normally distributed with a mean of 65 miles and a standard deviation of 4 miles. Find the probability of the following events. (show the concerned region by z curve) 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.
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