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MariettaO [177]
3 years ago
15

Given that ABC is similar to DEF, solve for x.

Mathematics
2 answers:
Zina [86]3 years ago
7 0
Can't without a picture :/
BartSMP [9]3 years ago
7 0
What are the numbers for ABC and DEF?
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As an introduction to probability, a student asked to roll a fair, six sided number cube seven times the results of those seven
frosja888 [35]

Using it's concept, the standard deviation of the data is of 3.742.

<h3>What are the mean and the standard deviation of a data-set?</h3>

  • The mean of a data-set is given by the <u>sum of all values in the data-set, divided by the number of values</u>.
  • The standard deviation of a data-set is given by the square root of the <u>sum of the differences squared between each observation and the mean, divided by the number of values</u>.

For this data-set, the mean is:

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Hence the standard deviation is:

S = \sqrt{\frac{(1 - 4)^2 + (4 - 4)^2 + (4 - 4)^2 + (4 - 4)^2 + (4 - 4)^2 + (6 - 4)^2 + (5 - 4)^2}{7}} = 3.742

More can be learned about the standard deviation of a data-set at brainly.com/question/12180602

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1 year ago
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Karolina [17]

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tam 20 = 4 / x

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Step-by-step explanation:

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