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Kitty [74]
3 years ago
8

A cable is 20 meters long. How long is the cable in decimeters?

Mathematics
2 answers:
Lesechka [4]3 years ago
8 0

20 meters into decimeters is 200

Answer: 200 Decimeters

Sunny_sXe [5.5K]3 years ago
3 0
200 decimeters
explanation: there is 10 decimeters in a meter
so 10×20=200

PLEASE MARK BRAINLIEST
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The length of the rectangular fence is 4 feet greater than its width. The perimeter of the fence is less than 42 feet. What is t
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Wind farm configuration is a significant issue as the upwind turbines generate maximal energy while creating wakes for downwind
lord [1]

Answer:

a) [24.114,29.2858]

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Step-by-step explanation:

a)

The 95% confidence interval is given by the interval

\bf [ \bar x-z^*\frac{s}{\sqrt n}, \bar x+t^*\frac{s}{\sqrt n}]

where

\bf \bar x= 26.7 is the sample mean  

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n = 180 is the sample size

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and our 95% confidence interval is

\bf [26.7-1.96*\frac{17.7}{\sqrt{180}}, 26.7+1.96*\frac{17.7}{\sqrt{180}}]=\boxed{[24.114,29.2858]}

(*)

This value can be computed in Excel with

<em>NORMINV(1-0.025,0,1)</em>

and in OpenOffice Calc with

<em>NORMINV(1-0.025;0;1)</em>

b)

Since 30 is not in the 95% confidence interval, there is a 95% probability that 30 is not the true mean WEP

7 0
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