Find the Minimum Sample Size When We Want to Construct

question 13

Multiple Choice

Find the minimum sample size when we want to construct a 90% confidence interval on the population proportion for the support of candidate A in the following mayoral election. Candidate A is facing two opposing candidates. In a preselected poll of 100 residents, 22 supported her. The desired margin of error is 0.08.

• A) n = 44
• B) n = 72
• C) n = 73
• D) n = 103

Calculate the required rate of return for investments using the Capital Asset Pricing Model (CAPM).

Integrate the concepts of beta, risk-return relationship, and security market line (SML) in making investment decisions.

Recognize the implications of behavioral finance on investment strategies and market outcomes.

Understand the concept and interpretation of beta in the context of the market and individual securities.

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