The Girl Scouts Would Like to Estimate the Proportion of People

question 60

Multiple Choice

The Girl Scouts would like to estimate the proportion of people who consider Thin Mints to be their favorite Girl Scout cookie. A pilot sample of 60 cookie customers found that 15 favored Thin Mint cookies. The total sample size needed to construct a 90% confidence interval for the proportion of customers who favor Thin Mint cookies with a margin of error equal to 6% is ----.

• A)141
• B)270
• C)235
• D)187

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Definitions:

Individualism

A sociopolitical concept that champions individual rights above the influence or regulation by state or communal organizations.

Therapeutic Lifestyle Change

Lifestyle modifications aimed at improving health and well-being, often used to manage or prevent disease.

Financial Challenges

Difficult circumstances or obstacles related to managing money, often involving insufficient income or rising debts.

Double-blind Studies

Experimental studies in which neither the participants nor the researchers know who is receiving a particular treatment, to prevent bias in the results.