3 years ago

Between what 2 numbers is pi

Mathematics

2 answers:

kodGreya [7K]3 years ago

8 0

Pi cannot be placed on a number line. Pi is an indefinite number that continues to grow as we speak.

sweet [91]3 years ago

5 0

It's between 3 and 4 because it is 3.14

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8_murik_8 [283]

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A researcher wishes to estimate the proportion of X-ray machines that malfunction. A random 275 sample of machines is taken, and

Dominik [7]

Answer:

Following are the solution to the given question:

Step-by-step explanation:

$95\%$ Confidence Interval for both the percentage of all x-ray machines

p = the machinery's share is not working:

$= \frac{228}{275}\\\\ = 0.829$

$\text{Margin of Error} = Z_{(\frac{\alpha}{2})} \times \sqrt{( p \times (1-p)}{n})$

$= 1.96 \times \sqrt{(0.829 \times \frac{0.171}{275})} \\\\= 1.96 \times 0.023 \\\\= 0.045$

Lower $95\%$ Confidence interval = p - error margin $= 0.829 - 0.045 = 0.784$

Upper $95\%$ Confidence Interval = p + error margin $= 0.829 + 0.045 = 0.874$

So, $95\%$ Confidence Interval $= ( 0.78 , 0.87 )$

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Trava [24]

Answer: Should be 150mm

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Find the surface area of each figure. Round answers to the nearest tenth, if necessary

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3 years ago

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3 years ago

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