A certain car model has a mean gas mileage o 34 miles per gallon with a standard deviation of 4 mpg. A pizza delivery company buys 54 of these cars. What is the probability that the average mileage of the fleet is between 33.3 and 34.3 mpg?

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

While unproven, it uses facts to support part of a conclusion. it is still factual and has predictive power, however.