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Given below is the frequency distribution of wages (in Rs) of 30 workers in a 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(iii) more than or equal to 150 but less than Rs 210. |
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Answer» Given below is the frequency distribution of wages (in Rs) of 30 workers in a certain factory:
A worker is selected at random. Find the probability that his wages are: (i) less than Rs 150 (ii) at least Rs 210 (iii) more than or equal to 150 but less than Rs 210. |
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