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maxonik [38]
3 years ago
12

I need help please?!!!

Mathematics
1 answer:
masha68 [24]3 years ago
4 0

Answer:

-5

Step-by-step explanation:

7c and the opposite of 7c cancel out. 7c + (-7c) = 7c - 7c = 0 so the rest is -5

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If a sample of 362 customers is taken from a population of 5530 customers,
inysia [295]

Using concepts of <u>sample and population</u>, it is found that the sample variance is representative of 362 and 5530 customers ages, option D.

------------------------

In sampling, the <u>information is taken from a sample</u>, and is used to <u>estimate it for the whole population</u>.

  • In this problem, we have a sample of 362 and a population of 5530 customers.
  • The sample variance s^2 is calculated from the sample, and used as an estimate for the population variance. Thus, it can be said that it represents both 362 and 5530 customers, and the correct option is D.

A similar problem is given at brainly.com/question/4086221

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Answer:

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Step-by-step explanation:

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katovenus [111]
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5 0
3 years ago
Read 2 more answers
Evaluate the variable expression when a = 5, b = 5, and c = -4.<br> Bc divided by (2a)
zlopas [31]

Answer:

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Step-by-step explanation:

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6 0
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kkurt [141]

Answer:

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Step-by-step explanation:

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