Question

A certain car model has a mean gas mileage of 30 miles per gallon (mpg) with a standard deviation A pizza delivery company buys 57 of these cars. What is the probability that the average mileage of the fleet is greater than
30.3 mpg.
It would help if you proofread your questions before you posted them.

No standard deviation.
The standard deviation is 3

Related Questions

when going more than 38 miles per hour the gas mileage of a certain car fits the model y=43.81 - 3.9... the mean gas mileage for a hybrid car is 56 miles per gallon suppose that the gasoline mileage is ap...