Q1) Use frequency distribution to create a probability distribution, determine the (b) mean,(c) variance and (d) standard deviation of probability distribution and (e) interpret results in context of real life situation.
Number of computers per household in a small town
|
Computers
|
0
|
1
|
2
|
3
|
|
Households
|
300
|
280
|
95
|
20
|
Q2) Warehouse employs 24 Workers on first shift and 17 workers on second shift. 8 workers are selected at random to be interviewed about work environment. Determine the Probability of choosing:
(a) All first shift workers
(b) All second shift workers
(c) Six first shift workers
(d) Four second shift workers