According to the text the safety standard focuses on O prote

According to the text, the safety standard focuses on O protecting personal liberty O weighing benefits and costs O equality uncertainty of risk

Solution

1) Answer: Uncertainity of risk

Safety standards always focus on risk management, improving quality of prodcust and many more where the main objective is to see that people are not harmed even due to any uncertain activity which will effect the life.

2) Answer: The costs may be greater than benefits

According to Paul Portney benefist should always exceed the cost but in this Clean Air acts Amendments the benefits are less compared to the costs . Thus he gave the statement that Americans are spending expensively to get a little.

3) Answer: true

Safety standards wre always hiugher than efficiency standards as safety should be first priority in any industry where as efficiency should be maintained for a perfect functioning thus the oppurtunity cost is also more .