The mean wage of a certain group of workers is 500 rupees and a is 100. Find what percentage of workers get above 375 rupees
A. | 39.12% |
B. | 89.44% |
C. | 80.43% |
D. | 16.12% |
Option: B Explanation : Z = (X - μ)/σ = (375 – 500)/100 = 1.25 The area according to table is 0.3944. The total area will be = 0.5 + 0.3944 = 0.8944 or 0.8944 x 100 = 89.44% Hence the answer is (b). Click on Discuss to view users comments. |
A trader decides that he has surplus stocks of 9 different kinds of goods. He decides to make-up gift parcels, each to contain four different goods, which he will sell at a special price. How many different kinds of parcel may he produce?
A. | 119 |
B. | 126 |
C. | 112 |
D. | 130 |
Option: B Explanation :
Hence the answer is (b). Click on Discuss to view users comments. |
The structured systems analysis develops _______ of the system
A. | Graphical model |
B. | Logical model |
C. | Conceptual model |
D. | Air of the above |
Option: D Explanation : Click on Discuss to view users comments. |