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Fiesta28 [93]
2 years ago
10

Alaine looks outside her window and observes that it is hailing outside. Which part of the water cycle is she watching?.

Biology
1 answer:
xz_007 [3.2K]2 years ago
3 0
Precipitation! Even though it is not rain it is still precipitation as it was rain but the cold air freeze it as it falls.
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What is the 95% CI for data set 2?
vesna_86 [32]

Answer: 20 ± 11.32

Explanation: <u>Confidence</u> <u>Interval</u> (CI) is an interval of values where there is a % certainty the true mean value lies in. For example, a 95% CI means there is a 95% certainty the true mean value lies in the interval.

For the data set 2, z-value for 95% confidence interval is z = 1.96

Formula to calculate CI is

x ± z\frac{s}{\sqrt{n} }

where

x is mean

z is z-value

s is standard deviation

n is the sample number

Then:

20 ± 1.96\frac{10}{\sqrt{3} }

20 ± 1.96\frac{10}{1.7320}

20 ± \frac{19.6}{1.7320}

20 ± 11.32

The 95% CI is 20 ± 11.32, which means there is a 95% certainty the true value is between 8.68 and 31.32.

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The major source of oxygen in earth's early proterozoic atmosphere is inferred to have been produced by
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Which process is unlikely to be carried out by an animal cell?
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Answer:

B

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