Various studies indicate that approximately 11% of the world's population is left handed. You think this number is actually higher. You take an SRS of 212 people and find that 27 of them are left handed. Test your claim at the 5% significance level.
Part a: State your null and alternative hypotheses.
Part b: Sketch the rejection region.
Part c: Calculate the test statistic. Plot this value in your sketch in part b.
Part d: Determine the P-value for your test.
Part e: State your conclusions clearly in complete sentences.