Construct a 90% Confidence Interval on the Population Proportion for the Support

question 57

Multiple Choice

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 recent poll of 300 residents,153 supported her.

• A)[0.4534,0.5666]
• B)[0.4625,0.5575]
• C)[0.5086,0.5114]
• D)[0.5090,0.5110]

---

Definitions:

Two-asset Portfolio

It is a financial portfolio comprising two different assets, aimed at diversifying investment risk.

Securities

Financial instruments that represent an ownership position in a publicly-traded corporation (stock), a creditor relationship with a governmental body or a corporation (bond), or rights to ownership as represented by an option.

CAPM

Capital Asset Pricing Model, a formula used to determine the expected return on an investment based on its risk relative to the market.

APT Model

Arbitrage Pricing Theory Model; a financial theory that estimates the returns on assets based on their exposure to various risk factors.