Assume That You Wish to Estimate a Population Proportion, P

question 16

Multiple Choice

Assume that you wish to estimate a population proportion, p. For the given margin of error and confidence level,determine the sample size required.
-You wish to estimate the proportion of shoppers that use credit cards. Obtain a sample size that will ensure a margin of error of at most 0.01 for a 95% confidence interval. It is deemed reasonable
To presume that of those sampled, the percentage using credit cards will be at least 56%.

• A)8519
• B)9466
• C)21,513
• D)16,338

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Definitions:

Smoking Rates

The percentage of individuals in a population who smoke tobacco products.

Confidence Interval

An ensemble of values, from statistical analysis of samples, believed likely to encircle the value of a clandestine population parameter.

Female Students

A demographic category referring to students identified as female.

Science Programs

Organized courses of study or curricula that focus on scientific principles, methodologies, and the accumulation of knowledge in areas such as biology, chemistry, physics, and earth science.