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Naya [18.7K]
3 years ago
14

Which is the best strategy to use to solve this problem?

Mathematics
2 answers:
elena-14-01-66 [18.8K]3 years ago
8 0

C.) use objects to model the problem.

with that you can arrange the 60 square tiles into a different patteren. then you  would count the number of titles of the perimeter to each shape to measure out the boarder of the object.

umka21 [38]3 years ago
3 0
The best strategy is B.make a list
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Feliz [49]

Answer:

9

Step-by-step explanation:

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Determine mu Subscript x overbar and sigma Subscript x overbar from the given parameters of the population and the sample size.
pentagon [3]

Answer:

\bar X= \mu = 25

\sigma_{\bar X}= \frac{7}{\sqrt{15}}= 1.807

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the variable of interest of a population, and for this case we know the following conditions

Where \mu=25 and \sigma=7

And for this case we select a sample size of n= 15. and we want to know the distribution for the sample mean \bar X. We can assume that the distribution for \bar X is approximately normal and given by:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

Asuming that the distribution for X is also approximately normal. So then the parameters are:

\bar X= \mu = 25

\sigma_{\bar X}= \frac{7}{\sqrt{15}}= 1.807

8 0
3 years ago
Robert wears a suit o work every day. In his closet, he has 3 blazers, 5 button-up shirts, 12 bow ties, 6 pairs of pants, and 3
mars1129 [50]

Answer: 3

Step-by-step explanation:

He can put 3 different outfits together

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