Explore BrainMass

Explore BrainMass

    Shaver Manufacturing, Inc. Dental Insurance for Employees

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

    Shaver Manufacturing, Inc., offers dental insurance to its employees. A recent study by the human resource director shows the annual cost per employee per year followed the normal probability distribution, with a mean of $1,280 and a standard deviation of $420 per year.
    a. What fraction of the employees cost more than $1,500 per year for dental expenses?
    b. What fraction of the employees cost between $1,500 and $2,000 per year?
    c. Estimate the percent that did not have any dental expense.
    d. What was the cost for the 10 percent of employees who incurred the highest dental expense?

    © BrainMass Inc. brainmass.com June 3, 2020, 10:49 pm ad1c9bdddf
    https://brainmass.com/statistics/z-test/shaver-manufacturing-inc-dental-insurance-for-employees-251226

    Solution Summary

    The solution provides step by step method for the calculation of probability based on Z score. Formula for the calculation and Interpretations of the results are also included. This solution is provided in an attached Excel and Word file.

    $2.19

    ADVERTISEMENT