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"What is the approximate area of the shaded region under the following standard normal curve?

A. 0.16
B. 0.34
C. 0.68
D. 0.95
E. 0.997"

"What is the approximate area of the shaded region under the following standard-example-1

1 Answer

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For the standard normal distribution, the shaded region is between:
(The mean ( Mi ) - 2 standard deviations( Sigma )) and (the mean (Mi)+ 2 standard deviations( Sigma)).
It is : 34 % · 2 + 13.6 % · 2 = 95.2 % ≈ 0.95
Answer: D ) 0.95
User Risnandar
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