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Given below is frequency distrigution of wages (in Rs ) of 30 workers in certain factory: Wages (in Rs)110−130130−150150−170170−190190−210210−230230−250No.of workers3456543 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 frequency distrigution of wages (in Rs ) of 30 workers in certain factory: Wages (in Rs)110−130130−150150−170170−190190−210210−230230−250No.of workers3456543 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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