the personnel department of a company has records which show the following analysis of its 200 engineers.
age
bachelor degree only
master degree
total
under 30
90
10
100
30 to 40
20
30
50
over 40
40
10
50
total
150
50
200
if one engineer is selected at random from the company,find;
a)the probability that he has a bachelor degree.
b)the probabilty that he has a master degree,given that he is over 40.
c)the probabilty that he is under 30.given that he has only a bachelor degree.
the personnel department of a company has records which show the following analysis of its 200 engineers.
| age | bachelor degree only | master degree | total |
| under 30 | 90 | 10 | 100 |
| 30 to 40 | 20 | 30 |
50 |
| over 40 | 40 | 10 | 50 |
| total | 150 | 50 | 200 |
if one engineer is selected at random from the company,find;
a)the probability that he has a bachelor degree.
b)the probabilty that he has a master degree,given that he is over 40.
c)the probabilty that he is under 30.given that he has only a bachelor degree.
madiha khan , 14 Years ago
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