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Bumek [7]
2 years ago
13

Label ABC with the following information. BC = 38 AC = 50 Find m/C.

Mathematics
1 answer:
alex41 [277]2 years ago
8 0
Add 38+50 then subtract by 180 = 92
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Please answer worksheet 50 points!! And I’ll mark brainliest
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Step-by-step explanation:

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Okay so I think I got it right, I just need someone to check over it.
Paladinen [302]

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Step-by-step explanation:

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The average annual premium for automobile insurance in the United States is $1411. A representative sample of annual premiums fo
Harrizon [31]

Using confidence interval concepts, it is found that:

a) The point estimate is the sample mean.

b) The confidence interval is: \overline{x} \pm T\frac{s}{n}

c) If $1411 is between the bounds of the interval yes, otherwise no.

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

  • At item a, it asks to provide a point estimate for the population mean, which is the sample mean \overline{x}

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

Item b:

  • In the spreadsheet, it is possible to find the <em>standard deviation for the sample</em>, thus, the t-distribution is used.
  • The confidence interval will be given by:

\overline{x} \pm T\frac{s}{n}

In which:

  • \overline{x} is the sample mean.
  • T is the critical value, from the t-distribution, with a two-tailed area of \frac{1 - 0.95}{2} = 0.025 and n-1 degrees of freedom.
  • s is the standard deviation for the sample.
  • n is the sample size.

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

Item c:

We have to check if 1411 is between \overline{x} - T\frac{s}{n} and \overline{x} +T\frac{s}{n}.

  • If it is, the interval includes the National Average, otherwise, it does not.

A similar problem is given at brainly.com/question/24232455

7 0
3 years ago
9 4/5 divided by 5 8/11
denis-greek [22]

Answer:

Step-by-step explanation:

392/275 as a fraction

6 0
2 years ago
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