8.1-8.2 SHORTCUT TI 83/84 Given a Sample Proportion, Construct Hypothesis Test for Population Proportion Problem 1. A recent study from the National Association of College Admissions Counseling showed that showed that 530 of college applications were submitted online from a sample of 1000 college applications. CLAIM: Among all college applications, the percentage submitted online is less than 55%. Use a 0.01 significance level to test the claim (LABEL 5 STEPS) Problem 2. In a Pew Research Center poll of 745 randomly selected adults, 589 said that it is morally wrong to not report all income on tax returns. CLAIM: There are more than 75% of adults who say that it is morally wrong to not report all income on tax returns. Use a 0.05 significance level to test the claim (LABEL 5 STEPS) Problem 3. 1864 out of 2246 randomly selected adults in the United States said that texting while driving should be illegal (based on data from Zogby International). CLAIM: the proportion of adults who believe that texting while driving should be illegal is different than 80%. Consider a hypothesis test that uses a 0.05 significance level to test the claim (LABEL 5 STEPS) Problem 4. A study addressed the issue of whether pregnant women can correctly guess the sex of their babies. Among 104 recruited women, 56 correctly guessed the sex of the babies. CLAIM: The success rate of such guesses is the same as the 50% success rate expected with random chance guesses.\f