Purchase Solution

Binomial distribution: find the mean and standard deviation.

Not what you're looking for?

Ask Custom Question

Not all visitors to a certain company's website are customers or potential customers. In fact, the company's executives estimate that about of all visitors to the website are looking for other websites. Assume that this estimate is correct and that a random sample of visitors to the website is taken.

a. Estimate the number of visitors in the sample who actually are looking for the company's website by giving the mean of the relevant distribution (that is, the expectation of the relevant random variable). Do not round your response.

b. Quantify the uncertainty of your estimate by giving the standard deviation of the distribution. Round your response to at least three decimal places.

Purchase this Solution

Solution Summary

This solution shows how to find the mean and standard deviation of a binomial random variable.

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.

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.

Measures of Central Tendency

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