The East West Social Survey organization surveyed 200 respondents from .A. Jinnah road Shops the weekly income of the respondents follows normal distribution with its mean income Rs. 10,000 and standard deviation Rs. 2,000 respectively
What is probability that the weekly income is less than Rs. 11,500 ?
What is probability that the weekly income is more than Rs. 12,210 ?
What is probability that the weekly income between Rs 7,500 and Rs. 11,250 ?
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