3 years ago

Move point A 90° clockwise along the circle

Mathematics

1 answer:

aleksley [76]3 years ago

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Move it to half way to the other side the way a clock moves.

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31/35 a su minima expresion<br>

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Answer:

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Step-by-step explanation:

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A farmer outside of Clinton NC plants 20 plots of a new type of corn. The average yield for these plots is ī= 150 bushels per ac

bogdanovich [222]

Answer:

The 95% confidence interval is $(150\pm 8.8)$ .

Step-by-step explanation:

The information provided is:

$\bar x=150\\\sigma = 20\\n=20$

The critical value for 95% confidence level is:

$z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96$

Compute the margin of error as follows:

$MOE=z_{\alpha/2}\cdot\frac{\sigma}{\sqrt{n}}$

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Then the 95% confidence interval is:

$CI=\bar x\pm MOE$

$=150\pm 8.8$

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Move point A 90° clockwise along the circle​

Move point A 90° clockwise along the circle