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Gwar [14]
2 years ago
7

The estimate obtained from a sample of which of the following sizes would most likely be closest to the actual parameter value o

f a population?
Mathematics
1 answer:
SOVA2 [1]2 years ago
6 0

To obtain an estimate of a parameter of a population, we use confidence intervals.

Confidence intervals:

The larger the sample size, the closest the parameter estimate is to the value of the population, as the margin of error of confidence intervals is inversely proportional to the sample size, that is, a greater sample leads to a smaller margin of error.

Thus, you should select the highest sample size in the options.

For more on confidence interval/margin of error, you can check brainly.com/question/22718960

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Soloha48 [4]

Answer:

Here is the solution...hope it helps:)

7 0
2 years ago
What is the product of 1/2 x - 1/4 and 5x^2 - 2x + 6? Write your answer in standard form?
marta [7]

Answer:

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x=-b ± ✓b²-4ac

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

2a

then put the two answers you will get into a bracket then multiply it with 1/2x - 1\4

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Step-by-step explanation:

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3 0
2 years ago
The perimeter of triangle RXA is 24. If RX = 4 and RA = 11, find XP and PA. A. XP = 1.5, PA = 7.5 B. XP = 2.4, PA = 6.6 C. XP =
mart [117]
The picture in the attached figure

we know that
RX+RA+XA=24
XA=24-RA-RX------> XA=24-11-4----> XA=9
XA=XP+PA
so
XP+PA=9------> XP=9-PA-----> equation 1

RX/XP=RA/PA

11*XP=4*PA-----> equation 2
substitute equation 1 in equation 2
11*[9-PA]=4*PA-----> 99-11*PA=4*PA----> 15*PA=99----> PA=99/15
PA=6.6
XP=9-PA-----> XP=9-6.6----> XP=2.4

the answer is the option
<span>B. XP = 2.4, PA = 6.6 </span>

8 0
3 years ago
Find the value of each variable
yanalaym [24]

Answer:

Step-by-step explanation:

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Is B correct? 10 points!
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Answer:

B

Step-by-step explanation:

Yeh definitely its b

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