Q1) It is of interest to employers to know how many dependents their employees have since this has the effect on how much they might wait for to pay out in health care and other benefits. Certain company employs many young people with few dependents. 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
|
|
i) Determine percentage of employees has 5 dependents?
ii) Of all employees which have at least one dependent, determine percentage has more than one?
iii) What is the most common number of dependents that employees have?
iv) If the employee is selected at random, determine the probability that person has at least 3 dependents?
v) Determine the median number of dependents?
vi) Compute the mean number of dependents?
vii) Determine the standard deviation of the number of dependents?