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sergejj [24]
3 years ago
10

Which is not a zero of the following function!? f(x)=x3+3x2-x-3

Mathematics
1 answer:
nata0808 [166]3 years ago
3 0

Answer:

3

Step-by-step explanation:

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The mean salary of actuaries is LaTeX: \mu=\$100,000????=$100,000 and the standard deviation is LaTeX: \sigma=\$36,730????=$36,7
krek1111 [17]

Answer:

The lower limit of 95% confidence interval is 99002.

Step-by-step explanation:

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Population mean, μ = $100,000

Sample mean, \bar{x} = $111,000

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95% Confidence interval:

\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}

Putting the values, we get,

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

111000 \pm 1.96(\dfrac{36730}{\sqrt{36}} )\\\\ = 111000 \pm 11998.4667 \\= (99001.5333,122998.4667)\\ \approx (99002,122999)

The lower limit of 95% confidence interval is 99002.

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4 years ago
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Answer:

y =  − 9 /2 x  −  36

Step-by-step explanation:

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