3 years ago

A high temperature state of matter in which atoms lose their electrons

1 answer:

4 0

The phase of matter where atoms lose their electrons is plasma. It requires quite a bit of heat, too.

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Mice21 [21]

Answer: WHat

Explanation:

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3 years ago

Leni [432]

Answer: $(27.81,\ 29.39)$

Explanation:

Given : Sample size : n= 30 , it means it is a large sample (n≥ 30), so we use z-test .

Significance level : $\alpha: 1-0.95=0.05$

Critical value: $z_{\alpha/2}=1.96$

Sample mean : $\overline{x}=28.6$

Standard deviation : $\sigma=2.2$

The formula to find the confidence interval is given by :-

$\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}$

i.e. $28.6\pm (1.96)\dfrac{2.2}{\sqrt{30}}$

i.e. $28.6\pm 0.787259889321$

$\approx28.6\pm 0.79=(28.6-0.79,28.6+0.79)=(27.81,\ 29.39)$

Hence, the 95% confidence interval for the mean mpg in the entire population of that car model = $(27.81,\ 29.39)$

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zheka24 [161]

Phosgene its a my friend used in the war

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timama [110]

It causes the water to evaporate from the earths surface so that it can cycle through again

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Maksim231197 [3]

<span>the following element that is most reactive </span>would be Fluorine

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