Page 716 - SET 1 Koleksi Soalan dan Skema Jawapan SPM KBSM

b). i). Use ,
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ii). Find inverse normal from the area under z-score graph

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Equate with the value of x-axis.

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10
10 a). Equate the equation of straight line and the curve.

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Substitute and find the value of x,

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b). Integrate and substitute limit

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Find the area of triangle and add the area

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