which of the followingFind the 95% confidence interval for the mean. (enter the margin of error only) statements about copyrights is incorrect? question 1 options: a) a copyright is a form of intellectual property protection. b) businesses typically possess a treasure trove of copyrightable material. c) a musical composition that is written down is copyrightable. d) copyrightable material may be in tangible or intangible form. e) the 1976 copyright act governs copyright law in the united states.