Purchase Solution

Confidence interval for mean

Not what you're looking for?

Ask Custom Question

a large equipment rental company wants to estimate the mean number of days a piece of equipment is rented out. a random sample of 12 recent rentals shows a mean of 2.14 days and a standard deviation of 1.29 days. construct and explain a 99% confidence interval estimate of the population mean number of rental days for this type of equipment

Purchase this Solution

Solution Summary

Construction of confidence interval for population mean / proportion is discussed in the answer. Excel template for each problem is also included. This template can be used to obtain the answers of similar problems.

Solution Preview

Probability
A large equipment rental company wants to estimate the mean number of days a piece of equipment is rented out. a random sample of 12 recent rentals shows a mean of 2.14 days and 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.

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.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.