Professor silva believes that student athletes are lazy and academically incompetent. every time she has an athlete in one of her classes who is a poor student, she takes note of and remembers it. every time she has an athlete in her class who is an excellent student, she ignores it. through this mechanism, professor silva her stereotype of student athletes.

Professor Silva is reinforcing her stereotype of student athletes by using a confirmation bias wherein poorly acting student athletes confirm her expectation and excellent student athletes are largely ignored for the purpose of data.

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )

the correct answer is the letter a

bright white has the greatest comparative advantage as it produces more than double the amount of small tubes than large in an hour.

sparkling comes next as it produces exactly double the amount which is to be expected

fresh comes in third because it only produces 50 more small tubes than large.

the company that shows the least comparative advantage is mmmint as it produces the same amount of small and large tubes.