Given below is the frequency distribution of wages(in Rs) of 30 workers in certain factory:
Wages(in Rs) 110-130 130-150 150-170 170-190 190-210 210-230 230-250
No of workers 3 4 5 6 5 4 3
A worker is selected at random. Find the probability that his wages are:
(i) less than Rs 150 (ii) at least Rs 210
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Answer:
option B is the correct answer for your question
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