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Shkiper50 [21]
3 years ago
8

Which angles are supplementary to∠4? Select all that apply.

Mathematics
1 answer:
andrezito [222]3 years ago
6 0

9514 1404 393

Answer:

  B, D, E

Step-by-step explanation:

All of the acute angles are congruent to each other. All of the obtuse angles are supplementary to them and are also congruent to each other. Angles 2, 3, 6, 7 are supplementary to angle 4. The ones on the list of choices are ...

  ∠2, ∠6, ∠7

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Answer:

14

Step-by-step explanation:

Given the data:

13 15 14 16 12

The point estimate of the population mean will be :

ΣX/ n

X = Given data points

N = sample size

ΣX = (13 + 15 + 14 + 16 + 12) = 70

N = 5

Hence,

ΣX/ N = 70 / 5

Point estimate of population mean = 14

3 0
3 years ago
After computing a confidence interval, the user believes the results are meaningless because the width of the interval is too la
navik [9.2K]

Answer:

The best recommendation is to: Increase the sample size.

Step-by-step explanation:

The width of a confidence interval  W=2\times CV\times \frac{SD}{\sqrt{n}} ,depends on three things,

  1. Sample size (n)
  2. Standard deviation
  3. Confidence level

To decrease the width the following options can be used:

  • Increase the sample size.

Since the sample is inversely proportional to the width of the confidence interval, increasing the value of <em>n</em> will decrease the width.

  • Decrease the standard deviation.

The standard deviation is directly proportional to the width of the confidence interval. On decreasing the standard deviation value the width of the interval will also decrease.

  • Decrease the confidence level.

The critical value of the distribution is based on the confidence level. Higher the confidence level, higher will be critical value.

So, on deceasing the confidence level the critical value will decrease, hence decreasing the width of the interval.

Thus, the best recommendation is to: Increase the sample size.

3 0
3 years ago
Express 0.1846 as a mixed number
Vinil7 [7]

Answer: I'm not sure about the mixed number but the fraction is 923/5000

7 0
3 years ago
H+c = $3<br> 4h + 4c = $10<br><br> Solve for h and c
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Step-by-step explanation:

hope you can understand

8 0
2 years ago
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The Ransin Sports Company has noted that the size of individual customer orders is normally distributed with a mean of $112 and
Mashutka [201]

Answer: 2.71

Step-by-step explanation:

We know that the formula to calculate the standard error is given by :-

S.E.=\dfrac{\sigma}{\sqrt{n}}, where \sigma is the standard deviation and 'n' is the sample size.

Given : Standard deviation : \sigma=\$9

Sample size : n=11

Then , the standard error of the mean is given by :-

S.E.=\dfrac{9}{\sqrt{11}}=2.7136021012\approx2.71

Hence, the standard error of the mean = 2.71

8 0
3 years ago
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