Question

PRACTICE EXERCISE
1. The ages (in years) of workers of a factory are
as follows:
Age (in years)
No.of workers
If a worker is selected at random, find the
probability that the worker is :
(1) 30 years or more.
(ii) below 50 years.
(iii) having age from 10-19 years.
[CBSE 2011]
10-19
20-29
30-39
40-49
50-59
60 and above
5
40
26
15
8
6
​

Answer 1

Answer:

apne school ke di hui exercise hume mat bhej ...samja

Step-by-step explanation:

Answer 2

Step-by-step explanation:

total workers = 5+ 40 +...... +6

now probability = required no./ total workers

1. 45/ total workers

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