Explore BrainMass

Explore BrainMass

    Z test for population mean

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

    1. A manufacturing cell claims they make 500 parts per day. Management thinks they're wrong. Wanting to test at the 10% significance level we measured for 36 days.
    X = 507
    S = 24
    Normality assumed
    Determine if their claim is correct?

    © BrainMass Inc. brainmass.com June 3, 2020, 10:45 pm ad1c9bdddf

    Solution Summary

    The solution provides step by step method for the calculation of Z test for population mean . Formula for the calculation and Interpretations of the results are also included.