a) Employ the frequency distribution to make a probability distribution, find out the (b) mean,(c) variance and (d) standard deviation of probability distribution and (e) interpret the results in context of real life condition.
Computers:
The number of computers per householdin a small town
|
Computers
|
0
|
1
|
2
|
3
|
|
Households
|
300
|
280
|
95
|
20
|