Purchase Solution

Solver one proportion z test

Not what you're looking for?

Ask Custom Question

Suppose that 50% of all adult Americans believe the federal budget deficits at recent levels cause long-term harm to the nations's ecomony. What is the probability that more than 58% of a random sample of 250 adults Americans would hold this belief?

If the sample of 250 was made up of adults randomly selected from each of the eight regions of the U.S. which sampling design was used?

Purchase this Solution

Solution Summary

The solution provides detailed explanation how to solve one proportion z test.

Solution Preview

Hi there,

Here is my answer:

First, check the assumption:
SRS(simple random sample) is ...

Purchase this Solution


Free BrainMass Quizzes
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.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

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.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.