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erik [133]
2 years ago
13

A 95 percent confidence interval for the proportion difference p1−p2 was calculated to be (−0. 12,0. 17). Which of the following

conclusions is supported by the interval?
SAT
1 answer:
Alla [95]2 years ago
8 0

The only conclusion that is supported by the interval is; C. There is evidence to conclude that p1>p2 because all values in the interval are positive.

<h3>What is the confidence Interval?</h3>

We are given a confidence interval for the difference in proportions. The null hypothesis means that there's no difference. Thus;

H0 = p1 - p2 = 0

However, If the difference is positive, it means that we have sufficient evidence as p1 > p2 but If it's negative, then we have sufficient evidence as p2 > p1.

Option A: This is incorrect because of interpretation of the interval.

Option B & D: They are not correct because they are incomplete

Option E: This is not correct because it did not properly get the definition of alpha-level and p-value with confidence interval values.

Thus, only option C is correct.

The missing options are;

A. There is evidence to conclude that p1>p2 because 0.325 is greater than 0.247.

B. There is evidence to conclude that p1

C. There is evidence to conclude that p1>p2 because all values in the interval are positive.

D. There is evidence to conclude that p1

E. There is evidence to conclude that p2>p1 because 0.247 and 0.325 are both greater than 0.05.

Read more about confidence intervals at; brainly.com/question/16148560

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Musculoskeletal Health can be efficiently maintained by proper nutrition and regular physical exercise programs.

<h3>What does musculoskeletal health mean?</h3>

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Everyone just needs to know that...
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4 0
3 years ago
Read 2 more answers
The hardest question ever. in SatMath. please help me
tatuchka [14]

Answer:

750

Explanation:

<em>I'm gonna make my best effort here... (it's been a long hecking time since SAT math last year :P)</em>

Set both equation equal:

5x = -15x + 3000

20x = 3000

x = 150

Plug into any equation because both are equal anyway:

y = 5x

y = 5(150)

y = 750

(a, b) --> (x, y)

The point is (150, 750) and b = 750

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