1. ANSWERS: 2. ANSWERS: 3. ANSWERS: 4. A researcher wishes to estimate, with 90% confidence, the population proportion of adults who say chocolate is their favorite ice cream flavor. Her estimate must be accurate within 1% of the population proportion. ANSWERS: 5. For the statement below, write the claim as a mathematical statement. State the null and alternative hypotheses and identify which represents the claim. According to a recent survey, 41% of college students own a credit card. (a) Write the claim as a mathematical statement. (b) Choose the correct null and alternative hypotheses below. (c) Identify which is the claim