Purchase Solution

Sample Size: Boxes

Not what you're looking for?

Ask Custom Question

The mean weight is 20.4 pounds, the standard deviation .5 pounds. How many boxes must the processor sample to be 95 percent confident that the sample mean does not differ from the population mean by more than .2 pound?

Purchase this Solution
Solution Summary

The solution provides step-by-step method for the calculation of sample size. Formula for the calculation and Interpretations of the results are also included.

Purchase this Solution
Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

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.

View More Free Quizzes
Related BrainMass Solutions

  • Office Supply Warehouse Defective Pencils

    The sample is the boxes of pencils sampled. What is the sample size? The sample size is 77 boxes 2) In the 1936 presidential election, Alfred Landon was predicted (incorrectly) to beat Franklin D.

  • Sample Size Calculations

    141343 Sample Size Calculations: Boxes the Processor Must Sample A processor of carrots cuts the green top off each carrot, washes the carrots, and inserts six to a package. Twenty packages are inserted in a box for shipment.

  • Standard deviation, confidence interval

    If the box weights have a population mean of 90lbs and a standard deviation of 24lbs, then based on a sample size of 36 boxes, the probability that the average weight of the boxes will be "less" than 84 lbs is?

  • Confidence interval for mean

    Answer The sample size is given by Details Sample Size Determination Data Population Standard Deviation  9 Sampling Error E 2 Confidence Level (1-) 99% Intermediate Calculations Z Value -2.5758293 Calculated Sample Size

  • Sample Size for estimation

    186159 Sample Size: How many boxes must the processor sample to be 95 percent confident that the sample mean does not differ from the population mean by more than 0.2 pounds?

  • Multiple choice questions

    If the box weights have a population mean and standard deviation of 90 lbs and 24 lbs respectively, then based on a sample size of 36 boxes, the probability that the average weight of the boxes will exceed 94 lbs. is: Choices 34.13% 84.13% 15.87%

  • How to find the minimum sample size.

    How many boxes must the processor sample to be 95% confident that the sample mean does not differ from the population mean by more than 0.2 pounds? This is a problem about the sample size.

  • Test of Hypothesis Using T test

    From a population of cereal boxes marked "12 ounces," a sample of 16 boxes is selected and the contents of each box weighed. The sample revealed a mean of 11.7 ounces with a standard deviation of 0.8.

  • Testing hypotheses using the five-step procedures.

    Hence, the least sample size n is 25. So, 25 boxes the processor sample to be 95 percent confident that the sample mean does not differ from the population mean by more than 0.2 pounds.

View More Related Solutions