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3 years ago

Create a function with roots x = 3 and x = 2 and x = -3

Mathematics

1 answer:

WITCHER [35]3 years ago

6 0

That would be
f(x) = (x - 2)(x - 3)(x + 3)

expanded this is f(x) = (x - 2)(x^2 - 9)
= x^3 - 2x^2 - 9x + 18

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kotykmax [81]

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95% confidence interval for the mean μ is (6,14)

The Population mean μ lies between ( 6, 14 )

Step-by-step explanation:

Explanation:-

Given random sample 'n' = 1200

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$(x^{-} -Z_{\alpha } \frac{S.D}{\sqrt{n} } , x^{-} +Z_{\alpha } \frac{S.D}{\sqrt{n} } )$

Level of significance = 95% 0r 0.05

Z₀.₀₅ = 1.96

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( 10 -4 , 10+4)

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