Question

if a worker is selected at random find the probability that the selected worker is
a) 40 years and above
b) under 40 years
c) having an age from 30 to 39 years
d) under 60 but over 39
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Answer 1

Answer:

1_p(worker aged 40 or more)=135/200

=27/40

2_P(worker aged under 40)=65/200

=13/40

3_p(worker aged below 60 but not over 39)=13/40