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				| 1. | The annual salaries of workers in a large manufacturing factory are normally distributed with a mean of Rs. 48,000 and a standard deviation of Rs. 1500. Find the probability of workers who earn between Rs. 35,000 and Rs. 52,000. | 
| A. | 64% | 
| B. | 76.2% | 
| C. | 42.1% | 
| D. | 20% | 
| Answer» D. 20% | |