Mathematics, 12.08.2020 06:01 megamorph
Shaver Manufacturing, Inc., offers dental insurance to its employees. A recent study bythe human resource director shows the annual cost per employee peryear 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 fordental expenses?
b. Whatfraction of the employees cost between $1,500 and $2,000 peryear?
c. Estimate the percent that did not have any dental expense.
d. Whatwas the cost for the 10% of employees who incurred the highestdental expense?
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Shaver Manufacturing, Inc., offers dental insurance to its employees. A recent study bythe human res...
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