Explore BrainMass

Explore BrainMass

    One sample students t test

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

    The MacBurger restaurant chain claims that the waiting time of customers for service is normally distributed, with a mean of 3 minutes and a standard deviation of 1 minute. The quality-assurance department found in a sample of 50 customers at the Warren Road MacBurger that the mean waiting time was 2.75 minutes. At the .05 significance level, can we conclude that the mean waiting time is less than 3 minutes?

    © BrainMass Inc. brainmass.com June 3, 2020, 7:40 pm ad1c9bdddf
    https://brainmass.com/statistics/students-t-test/107450

    Solution Preview

    Please see the attached file.

    The Null hypothesis tested
    H0: Mean waiting time = 3 min
    Claim H1: mean waiting time < 3 min
    Test ...

    Solution Summary

    The solution contain the testing of mean waiting time of customers for service at MacBurger restaurant. Null hypothesis, alternative hypothesis, significance level, critical value and p value are given in the solution.

    $2.19

    ADVERTISEMENT