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siniylev [52]
2 years ago
10

If a simple machine requires an effort of 20 newtons to lift a load of 100 newtons, its

Mathematics
2 answers:
Tcecarenko [31]2 years ago
8 0
A. 5
Hope this helps!
umka2103 [35]2 years ago
3 0

Answer:

A. 5

Step-by-step explanation:

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Lilibeth has a collection of Marbles. Her collection is 3 3/4 times that of Maria’s collection
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1200

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A sport statistician gathered data on the number of points scored in each game by high school basketball players across the coun
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For a sample size of 20 players, 68% of the sample means fall within 19.32 and 20.98

<h3>What is a sample size?</h3>

The sample size is a term used in market research for defining the number of subjects included in a sample size. By sample size, we understand a group of subjects that are selected from the general population and is considered a representative of the real population for that specific study.

Empirical rule states that for a normal distribution, 68% of the values are within one standard deviation from the mean, 95% of the values are within two standard deviation from the mean and 99.7% of the values are within three standard deviation from the mean.

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68% are within μ ± σ/√n,

hence,

68% = 20.15 ± 3.7/√20 = (19.32, 20.98)

For a sample size of 20 players, 68% of the sample means fall within 19.32 and 20.98.

To learn more about  sample size from the given link:

brainly.com/question/22927560

#SPJ4

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2 years ago
Juan cut StartFraction 5 Over 12 EndFraction of a yard of cloth into 5 pieces of equal length. What was the length of each piece
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It is c

Step-by-step explanation:

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