Question

If the weekly wages of 5000 workers in a factory follows normal distribution with mean and SD as ₹70 and ₹50 respectively, what is the expected number of workers with wages between ₹660 and ₹720 ?

(a) 2,050
(b) 2,200
(c) 2,218
(d) 2,300​

Answer 1

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Answer 2

Answer:

the correct option is (C) ..

that is the expected number of workers with wages between rupees 660 - rupees 720 are 2,218