9. Does your answer to Question 8 support the hypothesis that astrology works (i.e., that birth signs can be used to predict events and personality traits) or does it demonstrate that astrology does not work (i.e., that people do not identify their own birth signs more often than would be expected by random guessing)? Justify your answer. 10. As it turns out, the birthdays of U.S. presidents are evenly spread out across all months. Does this confirm the idea in Question 4 or in Question S? What does this imply about the scientific validity of astrology? Life in the Universe - Activities Manual, 2nd Edition Prather, Offerdahl, and Slater 3