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olga nikolaevna [1]
3 years ago
15

What is the purpose of calculating a confidence interval? Multiple Choice To provide a range of values that has a certain large

probability of containing the sample statistic of interest. To provide a range of values that, with a certain measure of confidence, contains the sample statistic of interest. To provide a range of values that, with a certain measure of confidence, contains the population parameter of interest. To provide a range of values that has a certain large probability of containing the population parameter of interest.
Mathematics
1 answer:
Nadusha1986 [10]3 years ago
8 0

Answer:

To provide a range of values that, with a certain measure of confidence, contains the population parameter of interest.  

To provide a range of values that has a certain large probability of containing the population parameter of interest.

Step-by-step explanation:

For estimating a parameter value, it is important to know the statement or degree of confidence that the interval contains the parameter value along with knowing the point estimate and the amount of possible error in the point estimate (which is the interval likely to contain the parameter value).Thus , an interval estimate of a population parameter is the confidence interval with a statement of confidence that the interval contains the parameter value. The confidence interval is a range of values around the statistic that are believed to contain, with a certain probability (say 99%) the true value of that statistic or the population value.

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3. Resuelve el triángulo con A = 30º, a = 3 cm y b = 4 cm y comprueba que hay dos soluciones posibles.
Igoryamba

Answer:

41.8°

Step-by-step explanation:

Resolvemos esta pregunta usando la regla del seno

a / sin A = b / sin B

Estamos despejando el ángulo B

Por lo tanto:

3 / sin 30 = 4 / sin B

Cruz multiplicar

3 × sin B = sin 30 × 4

sin B = sin 30 × 4/3

B = arco sin [sin 30 × 4/3]

B = 41.81031 °

Aproximadamente = 41.8 °

4 0
3 years ago
Destiny designs necklaces.
Alex17521 [72]

Answer:

Step-by-step explanation:

Well, the ratio of yellow beads to blue beads is 4:5. The best way I think is to guess and check multiplying the ratio by integers. You need between 15 and 20.

4 : 5 ( = 9 too little )

8 : 10 ( = 18 just right)

12 : 15 ( = 27 too much)

So per necklace, 8 yellow beads and 10 blue beads would be needed. 

I hope this helps :-)

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3 years ago
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AysviL [449]

Answer:

A Vertical Angle

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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tankabanditka [31]

Answer:

part a

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3 years ago
Answers:
natita [175]

Answer:

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Step-by-step explanation:

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