Final answer:
The question requires knowledge of statistical and financial concepts to analyze stock behaviors and investment strategies, appropriate for a college-level business or finance course.
Step-by-step explanation:
The question provided primarily deals with investing concepts such as expected returns, standard deviations, correlation coefficients, and hypothesis testing at a certain level of significance. It encompasses statistical methods applied to finance to analyze stock behavior, investment risk and return, and the accuracy of surveys regarding stock ownership. A deep understanding of statistical analysis and financial theories is required to address these questions, making them suitable for college-level students studying finance or statistics.