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3 years ago

Can someone help me find the perimeter. 30 pts and brainliest!!

Mathematics

1 answer:

nata0808 [166]3 years ago

6 0

My guess is D but dont consider it as answer.

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The National Association of Realtors reported that 26% of home buyers in the state of Florida are foreigners. A random sample of

Paladinen [302]

Answer:

Hypothesis

$H_0: \pi=0.26\\\\H_a: \pi\neq 0.26$

P-value = 0.078

Conclusion: The null hypothesis is rejected. There is enough evidence to claim that the proportion of foreigners home buyers is different from 26%.

Step-by-step explanation:

We will perform a hypothesis test on a proportion.

The null hypothesis states that 26% of home buyers are foreigners.

The alternative hypothesis states that the proportion is different than 26%.

$H_0: \pi=0.26\\\\H_a: \pi\neq 0.26$

The significance level is α=0.10.

The sample proportion is:

$p=x/N=20/110=0.182$

The standard error is:

$\sigma_p=\sqrt{\frac{\pi(1-\pi)}{n} }=\sqrt{\frac{0.26*0.74}{110}} =\sqrt{\frac{0.1924}{110} } =\sqrt{0.00175} \\\\\sigma_p=0.042$

Then, we can calculate the z-statistic as:

$z=\frac{p-\pi+0.5/N}{\sigma_p} =\frac{0.182-0.26+0.004}{0.042}=- \frac{0.074}{0.042}= -1.762$

The P-value can be calculated as:

$P-value=2*P(z$

The P-value is smaller than the significance level, so the effect is significant.

The null hypothesis is rejected. There is enough evidence to claim that the proportion of foreigners home buyers is different from 26%.

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4 years ago

Which of the following sets of nu mbers could not represent the three sides of a right

iogann1982 [59]

The second one couldn’t represent a right triangle

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4 years ago

Determine a series of transformations that would map Figure S onto Figure T.

olga_2 [115]

Answer: 5.4

Step-by-step explanation:

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3 years ago

Solve for x.<br><br> 9≤17−4x

Lerok [7]

Answer:

x ≤ 2

Step-by-step explanation:

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4 years ago

To biil customers for water usage, one city converts the number of gallons used into units. This relationship is represented by

Finger [1]

The answer to this question would be:
<span>B.) u is the dependent variable.
</span>
In this case, the gallon is converted into unit which means the number of gallons is fixed(got from the customer water usage) but the number of units depends on the number of the gallon(748unit for every gallon). That is why "unit" become the dependent variable and "gallon" become the independent variable.

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3 years ago

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