Question

[Ans. (1) 68 (1) 4
8. A Sales Tax Officer has reported that the average sales of 500 businessmen that he has to deal
with during a year amount to Rs. 36,000 with a S.D. of Rs. 10,000. Find out: (i) the number of
businessmen, the sales of which are over Rs. 40,000 (ii) the percentage of businessmen the sales
[Ans.(1) 172.3 (11) 38.11%
of which are likely to range between Rs. 30,000 and Rs. 40,000.​

Answer 1

Answer:

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