Q88
In a certain field of construction work, the wages are assumed to follow a normal distribution, with an average wage of Rs. 4 per day and a standard deviation of Rs. 0.50. If 20 workers received wages of more than Rs. 4.50 per day, what is the total number of workers?
A.
126
AnswerB.
120
C.
130
D.
190
Answer: Option A
Solution
Answer: Option A
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