# Confidence Intervals calculations

Not what you're looking for?

I randomly selected 200 likely voters and created a 95 percent confidence interval for the true proportion of voters that will vote for my candidate. My confidence interval has endpoints of 0.39 and 0.45. Given the confidence interval that I created, is my candidate going to win? After constructing the confidence interval I called a friend and gave him my results. He interpreted my results as being a 95% chance that the true proportion of voters for our candidate was between 0.39 and 0.45. Was his interpretation correct?

##### Purchase this Solution

##### Solution Summary

I randomly selected 200 likely voters and created a 95 percent confidence interval for the true proportion of voters that will vote for my candidate. My confidence interval has endpoints of 0.39 and 0.45. Given the confidence interval that I created, is my candidate going to win? After constructing the confidence interval I called a friend and gave him my results. He interpreted my results as being a 95% chance that the true proportion of voters for our candidate was between 0.39 and 0.45. Was his interpretation correct?

##### Solution Preview

Your friend's interpretation is correct, although a more practical way would be to specify the criteria 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.

##### 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.

##### 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.