4 (20 points) The Human Resources Department at a major furniture retailer has c

Question

4 (20 points) The Human Resources Department at a major furniture retailer has compiled data on the quarterly number of absences by employee group. Number of Unscheduled Absences Monday Tuesday Wednesday Thursday Friday Total Hourly Salaried 14 10 30 20 10 60 Total 13 25 If an employee is absent.. a. What is the probability that the employee will be absent on a Friday? b. What is the probability that an absent employee is a salaried employee and absent on Friday? c. Given that an employee is hourly, what is the probability that he/she will be absent on Friday? d. What is the probability that an employee will be absent on a Monday or Friday? e. If you were in human resource management in this company, would this data cause you any

Explanation / Answer

a. Total number of employees absent on Friday = 25

Probability that an employeee will be absent on Friday = 25/60 = 0.417

b. Number of employees who are salaried and absent on Friday = 10

Probability that an absent employee is a salaried employee and absent on Friday = 10/60 = 0.167

c. There are 30 hourly employees and 14 of them are absent on Friday.

The probability that an hourly employee will be absent on Friday = 14/30 = 0.467

d. Number of employees absent on a Monday or Friday = 13+25 = 38

Probability that an employee will be absent on Monday or Friday = 38/60 = 0.633

e. The data would cause some concern since more than 63% of the total absenteeism occurs on the 2 days adjoining the weekend.

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