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21.12.2021 •
Mathematics
It has been estimated, with 90% confidence, the proportion of Americans who go out shopping on Black Friday is 0.40 with a margin of error equal to 0.04. Determine the resulting 90% confidence interval for the proportion of Americans who go out shopping on Black Friday.
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Ответ:
see explanation
Step-by-step explanation:
To find f(g(x)) substitute x = g(x) into f(x), that is
f(g(x))
= f(x² + 2x)
= 2(x² + 2x)² ← expand
= 2(
+ 4x³ + 4x²) ← distribute
= 2
+ 8x³ + 8x²