Explore BrainMass

Explore BrainMass

    Statistics - Minimal Sample Size Required

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    Managers at an automobile manufacturing plant would like to estimate the mean completion time for an assembly line. Assuming the standard deviation is 10.1 minutes, what is the minimal sample size for managers to be 99% confident that their estimate is within 2.2 minutes.

    © BrainMass Inc. brainmass.com June 3, 2020, 10:29 pm ad1c9bdddf
    https://brainmass.com/statistics/sample-size-determination/statistics-minimal-sample-size-required-234136

    Solution Summary

    This solution contains step-by-step calculations to determine the minimum sample size, sample size and z score for 99% confidence.

    $2.19

    ADVERTISEMENT