Which of the following has the largest potential to decrease the accuracy of an inference made to a population based on a sample?

What is the main objective of most labor unions?

a. to protect consumers from unsafe products b. to protect jobs and secure favorable wages and benefits for their members c. to ensure equality of all people under the law d. to support free trade policies

Line-item veto power was given to the President by Congress and was ruled constitutional by the Supreme Court

Indicate whether the statement is true or false