Q1
Fifty chief executive officers of small to medium-sized companies were classified according to their gender and functional background as shown in the table below:
Functional Background |
Male |
Female |
Total |
Marketing |
4 |
10 |
14 |
Finance |
11 |
5 |
16 |
Operations |
17 |
3 |
20 |
Total |
32 |
18 |
50 |
(a) The probability that the executive is a female = 18/50 = 0.36
(b) The probability that the executive is a male whose functional background is marketing = 4/50 = 0.08
(c) The probability that an executive with functional background in operations is a female = 3/20 = 0.15
(d) The required probability
= Number of marketing and female/Number of female = 10/18 = 5/9
(e) No, Gender and functional background are not independent for this set of executives.
As the probability of having a particular function is dependent on the gender of the executive
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