# One sample Z test for proportion

Not what you're looking for?

Consider the following hypothesis test:

H0: p = .20

Ha: p (does not equal) .20

A sample of 400 provided a sample proportion beta = 0.175.

a. Compute the value of the test statistic.

b. What is the p-value?

c. At alpha = 0.05, what is you conclusion?

d. What is the rejection rule using the critical value? What is your conclusion?

##### Purchase this Solution

##### Solution Summary

This solution provides a step by step method for computing test statistic for proportion.

##### Solution Preview

Please see the attached file for solution.

a. The test Statistic used is = -1.25

Z Test of Hypothesis for the Proportion

Data

Null Hypothesis p = 0.2000

Level of Significance 0.05

Number of Items of ...

##### 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.

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

##### 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.