Page 175 - Math Grade 12 (Advance)

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.. 'tflst~Ln~Llittnrn 95% tst~Ln~mbHt'J ~ntsitLfil'gt2Jtfili:lrul~'ihrum~u

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3. X H&tiHOf::lSJtS
n. P(X > 305) 2. P(X < 291)

ti. P(X < 312) lli. P(X > 286) '1
4. d5 X dlHtd~tS N(lOO, 80) '1tirulSl

n. P(85 <X< 112) 2. P(l05 <X< 115)

170