Answer
1) The proportion of the number of times in which gas mileage was greater than 26 miles per gallon is 0.3309.
2) The probability that a randomly select gas mileage was greater than 26 miles per gallon is 0.3309.
Work Step by Step
1) $\frac{number~of~times~in~which~gas~mileage~was~greater~than~26~miles~per~gallon}{total~number~of~observed~gas~mileage}=0.3309$
2) $P(X\gt26)=0.3309$
