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It is of interest to employers to know how many dependents their employees enfold since this has n effect on how much they may expect to pay out in health care and other benefits. A cer­tain company employs many young people with the few dependents. The distribution of number of dependents is given below. No employee has more than five dependents.

Number of dependents

Percentage

 0

45%

1

27%

2

13%

3

7%

4

4%

5

 

1. What is the percentage of employees has five de­pendents?

2. Of all employees that have at least 1 de­pendent, what is the percentage has more than one?

3. What most common number of de­pendents that employees have?

4. If an employee is selected at random, what probability that the person has at least three dependents?

5. What is the median number of dependents?

6. What is the mean number of the dependents?

7. What is the standard deviation of number of dependents?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920373

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