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    tail test

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    Jennifer Cantu, VP of Customer Services at Tri-State Auto Insurance, Inc., monitors the claims processing time of the claims division. Each week, her staff randomly selects a sample of 60 claims and tests the null hypothesis that the "mean processing time is 5 days or less." Jennifer chooses a 0.01 level of significance, the critical Z value is...

    I keep coming up with 2.33 as the critical value and I'm doing it by hand. Is this correct?

    © BrainMass Inc. brainmass.com June 3, 2020, 6:43 pm ad1c9bdddf
    https://brainmass.com/business/accounting/tail-test-calculating-critical-values-71826

    Solution Summary

    The expert calculates the critical z value for tail tests.

    $2.19

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