A significance test about a proportion is conducted using a significance level of 0.05. The sample statistic is 0.12. The p-value is 0.03? a) If H0 were true, for what probability of a Type I error was the test designed?
 b) What conclusion (reject or fail to reject) would you make for this test?
 c) If this test resulted in a decision error, what type of error was it?