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2. The income distribution of officers of a certain company was found to follow normal Distribution. The average income of an officer was Rs.15,000. The
2. The income distribution of officers of a certain company was found to follow normal Distribution. The average income of an officer was Rs.15,000. The standard deviation of the Income of officers was $5,000. If there were 242 officers drawing salary above $18,500. How many officers were there in the company?
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