In the article "attitudes about marijuana and political views" (psychological reports, 1973), researchers reported on the use of cannabis by liberals and conservatives during the 1970s. to test the claim (at 1% significance) that the proportion of voters who smoked cannabis frequently was lower among conservatives, the hypotheses were suppose that we conduct a hypothesis test in which a type ii error is very serious. but the type i error is not very serious. which level of significance is the best choice?