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

question 47

Multiple Choice

The figure shows a normal N(400, 23) distribution. Find the approximate shaded area. C.2 gives 1 - P(z < 0.74) = 1 - .7704 = .2296, or from Excel =1-NORM.DIST(417,400,23,1) = .2299.

• A).3811
• B).3527
• C).2299
• D).1940

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