Purchase Solution

# Estimation, Confidence Interval for proportions

Not what you're looking for?

A random sample of 90 prisoners in a large state prison revealed that 20% were college graduates. Find the 99% confidence interval in the population sampled for the percentage of prisoners who are college graduates.

##### Solution Summary

The solution calculates the 99% confidence interval in the population sampled for the percentage of prisoners who are college graduates.

##### Solution Preview

q=1-p= 80.00%
n=sample size= 90
s p=standard error of proportion= square root of (pq/n)= 4.22% = square root of ( 20.% * ...

##### 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.