Revenue of Large Businesses A researcher estimates that the average revenue of the largest businesses in the United States is greater than $24…

Revenue of Large Businesses A researcher estimates that the average revenue of the largest businesses in the United States is greater than $24 billion. A sample of 50 companies is selected, and the revenues (in billions of dollars) are shown. At α = 0.05, is there enough evidence to support the researcher’s claim? σ = 28.7. 178