A JEE aspirant estimates that she will be successful with an 80 percent chance if she studies 10 hours per day, with a 60 percent chance if she studies 7 hours per day and with 40 percent chance if she studies 4 hours per day. She further believes that she will study 10 hours, 7 hours and 4 hours per day with probabilities 0.1, 0.2 and 0.7 respectively.A. `(1)/(12)`B. `(5)/(12)`C. `(7)/(12)`D. `(11)/(12)`

A JEE aspirant estimates that she will be successful with an 80 percen

1.	A JEE aspirant estimates that she will be successful with an 80 percent chance if she studies 10 hours per day, with a 60 percent chance if she studies 7 hours per day and with 40 percent chance if she studies 4 hours per day. She further believes that she will study 10 hours, 7 hours and 4 hours per day with probabilities 0.1, 0.2 and 0.7 respectively.A. `(1)/(12)`B. `(5)/(12)`C. `(7)/(12)`D. `(11)/(12)`
Answer» Correct Answer - (c)

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