Que: 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: 42.1%

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