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Assume that 40% of graduates come from University A and and earn salaries of 30,000 on...

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Statistics

Assume that 40% of graduates come from University A and and earnsalaries of 30,000 on average with a standard deviation of 5,000.The remainder come from University B and earn salaries of 25,000 onaverage with a standard deviation of 7,500. If you are told that agraduate is earning less than 35,000, what is the probability thatthey came from University A? (Assume salaries are normallydistributed.)

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