The customer accounts of a certain departmental store have an average balance or Rs. 120 and a standard deviation of Rs. 40. Assum

Question

The customer accounts of a certain departmental store have an average balance or Rs. 120 and a standard deviation of Rs. 40. Assuming that the account balances are normally distributed, find
(i) What proportion of account is over Rs. 150?
(ii) What proportion of accounts is between Rs. 100 and Rs. 150?
(iii) What proportion of accounts is between Rs. 60 and Rs. 90?

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Natalia 4 months 2021-08-01T09:07:10+00:00 1 Answers 0 views 0

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    2021-08-01T09:09:09+00:00

    Answer:

    Find the moment of mass from the x-axis for y = x ln(x) – 3x and y = 1 bounded by x = 3 and x = 6. The surface density is equal to 0.37 kg/unitsĀ².

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