The Figure Shows a Normal N(400, 23) Distribution

question 73

Multiple Choice

The figure shows a normal N(400, 23) distribution. Find the approximate shaded area. C.2 gives 1 - P(z < 1.74) = 1 - .9591 = .0409, or from Excel =1-NORM.DIST(440,400,23,1) = .0410.

• A).0410
• B).0501
• C).0724
• D).0838

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