In a scientific study of racehorses that were fed an iron rich diet for six months, 75% of the horses showed an increase in track speed within 90 days. That this improvement could have happened randomly or by chance was ruled out with a high degree of confidence. If the above statements are true, the study's statistical findings confirm:

A spokesperson for a car manufacturer states, "There are two popular arguments that favor the 55 miles/hr speed limit. First, it saves lives. Second, it saves wear and tear on the car. However, millions of people drive faster than the speed limit, and their cars show no signs of breakdown. So, I say, there is no sense to the 55 miles/hr speed limit." The speaker's reasoning is best evaluated as:

In a scientific study of racehorses that were fed an iron rich diet for six months, 75% of the horses showed an increase in track speed within 90 days. That this improvement could have happened randomly or by chance was ruled out with a high degree of confidence. If the above statements are true, the study's statistical findings confirm:

Consider the following: 1) In ancient times, civilizations recorded their religious and cultural ideas and lifetime records in clay. 2) Both famous and common people were honored in clay. 3) In fact, most of what we know of ancient civilizations comes from studying the clay pottery. 4) All of the pots and bowls were made of clay. Assuming the preceding statements are true, statements two, three, and four:

An advertisement reads: "Neutrasplash" helps prevent lines and wrinkles. Look younger today." Which statement gives a critical evaluation of this advertisement?

A congressional candidate you oppose writes a newspaper article proposing new air traffic control regulations. To draw a conclusion about the article, you would:

Police officers maintain the law. It is illegal to run a stoplight; therefore, police officers:

Building L is shorter than Building X. Building Y is shorter than Building L, but Building M is shorter than Building Y. therefore, Building is shorter than Building J. What premise must be added to require the conclusion to be true, assuming all of the premises are true?

Consider this statement: "Exceptional students are neither arrogant nor lazy. If a student is not arrogant, he is humble." Which of the following must be true if both of the previous statements are true?

grocery clerk believes strongly in telling the truth; however, he lies to intruders who ask him where the store safe is kept. How could this contradiction be best explained? The grocery store clerk:

On a school playground, the teacher states, "Look at those children running one right after the other. They are so close together that if one of them stops, the next one will run into the other. So, if one stops, they all will fall down." Assuming the above statements are true, the main claim of the passage: