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MAXImum
1 month ago
8

A realty company looks at a recent sample of houses that have sold On testing the nul hypothesis that 57% of the houses take mor

e than three months to sell against the hypothesis that more than 57% of the houses take more than three months to sell, they find a P value of 0.026 which conclusion is appropriate? Explain.
Choose the correct answer below. A. If 57% of the houses take more than three months to sell, there is a 2 6% chance that a random sample proportion would be as high as or higher than the one they obtained B. There is a 26% chance that 57% of the houses take more than 3 months to sell C. There is a 97 4% chance that 57% of the houses take more than 3 months to sell D. There is a 26% chance that the null hypothesis is correct
Mathematics
1 answer:
Inessa [12.5K]1 month ago
7 0

Answer:

The right choice is: Given that 57% of houses take longer than three months to sell, there exists a 2.6% probability that a randomly selected sample proportion would equal or surpass the figure obtained

Step-by-step explanation:

Review the details provided.

The null hypothesis is set at 57%,

H_0: \mu=0.57\\H_a: \mu>0.57

The P-value is reported as 0.026

In this context, the P-value indicates the probability.

0.026 can also be expressed as: 2.6%

Thus, the conclusion drawn is:

If 57% of the houses take more than three months to sell, there exists a 2.6% chance that a randomly selected sample proportion would reach or exceed the figure they obtained.

Therefore, the right choice is: Given that 57% of the houses take longer than three months to sell, there exists a 2.6% probability that a randomly selected sample proportion would equal or surpass the figure obtained

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1.4×5=7

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Detailed breakdown:

Commence with the individual boxes. For determining the number of students in each category, calculate Frequency density × The difference in the category. (if it's 5-15, the difference is 10)

This results in the counts of students in each range.

Next, determine the LQ of 44, which is 11.

Then locate the 11th student's score; in this instance, it resides in the 5-15 range. 7 students have already surpassed it, with 8 in the 5-15 range. Hence, the 11th lies within the bounds of 5-15, making the middle 10.

Repeat this process for the UQ.

The interquartile range is calculated as UQ-LQ, yielding 29-10=19 minutes.

I hope this helps, though I'm not entirely sure if my explanation is coherent and I'm unclear on the terminology I've used for these categories.

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1 month ago
Given that a function, g, has a domain of -20 ≤ x ≤ 5 and a range of -5 ≤ g(x) ≤ 45 and that g(0) = -2 and g(-9) = 6, select the
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A is confirmed as correct since -13 falls within the domain of g(x), and 20 is included in its range. For g(x), the inequality holds: -20 < -13 < 5 and -5 < 20 < 45. B is incorrect since the number 4 exists within the domain of g(x), but -11 is not within its range, represented by -20 < 4 < 5 and -11 < -5. C is likewise incorrect, as it is stated that g(0) equals -2. D is also false since 7 does not belong to the domain of g(x).
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