BIG Corporation coffee minimum sample size
Not what you're looking for?
Coin-operated coffee machines made by BIG Corporation was designed to discharge a mean of eight ounces of coffee per cup. If it dispenses more that that on average, the corporation may lose money, and if it dispenses less, the customers may complain.
BIG Corporation would like to estimate the mean amount of coffee, dispensed per cup by this machine. BIG will choose a random sample of cup amounts dispensed by this machine and use this sample to estimate. Assuming that the standard deviation of cup amounts dispensed by this machine is .40 ounces, what is the minimum sample size needed in order for BIG to be 95%confident that its estimate is within 0.08 ounces?
Purchase this Solution
Solution Summary
This determines the minimum sample size needed in order for BIG to be 95% confident that its estimate is within 0.08 ounces?
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.
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.