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Leona [35]
3 years ago
9

Please help! I will give brainliest :) Solve: 5xb+x-23+5.6

Mathematics
1 answer:
ivann1987 [24]3 years ago
8 0

Answer:

Add  

− 23  and   5.6

5x b  +  x −  17.4

Step-by-step explanation: plz brainliest

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Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence i
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Answer:

\bar X = \frac{Lower +Upper}{2}

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And the margin of error with this one:

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Step-by-step explanation:

Assuming that the parameter of interest is the sample mean \mu. And we can estimate this parameter with a confidence interval given by this formula:

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For this case the confidence interval is given by (1.9, 3.3)

Since the confidence interval is symmetrical we can estimate the sample mean with this formula:

\bar X = \frac{Lower +Upper}{2}

\bar X= \frac{1.9+3.3}{2}= 2.6

And the margin of error with this one:

\bar X = \frac{Upper-Lower}{2}

ME = \frac{3.3-1.9}{2}= 0.7

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Answer:

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Step-by-step explanation:

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