Sampling distribution of a proportion
Not what you're looking for?
Suppose a population proportion is .40, and 80% of the time when you draw a random sample from this population you get a sample proportion of .35 or more. How large a sample were you taking?
Please provide answer via excel.
Purchase this Solution
Solution Summary
In this solution, the sampling distribution of a sample proportion is used to calculate a sample size.
Solution Preview
I have attached a Word document and an Excel sheet. The Word document shows the steps to the solution with explanations. The excel sheet shows the standard normal percentile calculation and the sample size calculation.
Sampling
Suppose a population proportion is .40, and 80% of the time when you draw a ...
Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.