a. What does e dx represent in words? b. Find e dx. -1 27 c. Graph the function.
A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Transcribed Image Text:1. The standard normal distribution follows f (x) =e for -3 <x< 3. Intelligence quotient (IQ)
2T
for adults in the US closely follow this curve. The percentage of adults in the US considered 'highly
intelligent is approximately the area under the curve, 1.8 < I< 3.0.
1
a. What does ez dx represent in words?
-1.
b. Find e dx.
C. Graph the function.
d. Approximate the percentage of adults in the US the are highly intelligent using Simpson's rule
with 6 equal subdivisions.
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