Solution:For company A,
Total number of employees in Grade 1 category = (17/100) × 1200 = 204
Total number of male employees in Grade 1 category
= (204/17) × 9 = 12 × 9 = 108
Total number of female employees in Grade 1 category
= (204/17) × 8 = 12 × 8 = 96
Category | Number of employees | Male | Female |
Grade 1 | 204 | 108 | 96 |
Grade 2 | 276 | 180 | 96 |
Grade 3 | 336 | 196 | 140 |
Grade 4 | 240 | 130 | 110 |
Grade 5 | 144 | 81 | 63 |
Total number of females in Grade 2 category = 96
Total number of females in Grade 3 category = 140
Total number of females in Grade 4 category = 110
The total number of females in Grade 2, Grade 3 and Grade 4 from company A = 96 + 140 + 110 = 346