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evablogger [386]
3 years ago
6

Gun rights vs. gun control: In a December 2014 report, "For the first time in more than two decades of Pew Research Center surve

ys, there is more support for gun rights than gun control." According to a Pew Research survey, 52% of Americans say that protecting gun rights is more important than controlling gun ownership. Gun control advocates in an urban city believe that the percentage is lower among city residents and conduct a survey. They test the hypotheses H0: p=0.52 versus Ha: p<0.52. They calculate a Pâvalue of 0.078.
Using a significance level of 0.05, which of the following is the best explanation for how to use the Pâvalue to reach a conclusion in this case? G

A. Since the Pâvalue is greater than the significance level, we reject the null hypothesis
B. Since the Pâvalue is greater than the significance level, we fail to reject the null hypothesis
C. Since the Pâvalue is greater than the significance level, we accept the null hypothesis.
Mathematics
1 answer:
weeeeeb [17]3 years ago
4 0

Answer:

B. Since P-value is greater than the significance level, we fail to reject the null hypothesis

Explanation:

Given Significance Level is 0.05 and the P-Value is 0.078

Since P-value greater than the significance level the best explanation is given by

Option B i.e.,

Since P-value is greater than the significance level, we fail to reject the null hypothesis

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Estimate the values of x when y=1
Cerrena [4.2K]

Step-by-step explanation:

if one were to put the y value the equation they could find out what x is for a certain value of y

putting the value of y(1), we get the equation

1=4x-1

2=4x

x=0.5

the value of x when y is 1 is =0.5

NOTE: I got this explanation on brainy on someone else I am not taking the credit

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3 years ago
What is scale factor
yawa3891 [41]

Answer:

To find a scale factor between two similar figures, find two corresponding sides and write the ratio of the two sides. If you begin with the smaller figure, your scale factor will be less than one. If you begin with the larger figure, your scale factor will be greater than one.


6 0
3 years ago
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"Predator - Prey"Consider the following systems of rate of change equations:System A(dx/dt)= 3x(1-(x/10))- 20xy(dy/dt)= -5y+(xy/
Allushta [10]

Answer:

The responses to this questin can be defined as follows:

Step-by-step explanation:

Take system A. The predator must be there. If we feel the attacker is x, that drop in y (a further prey eaten) must raise by x. Growing x could render y falling much quicker because more predators become available. See the equation of \frac{dx}{dt}.

\frac{dx}{dt} = 3x(1- \frac{x}{10})-20xy

It will see that dx/dt is an x both y function. It is indeed difficult to tell something about the dependence among \frac{dx}{dt} and x, but it is quite easy: the higher to y, its higher the 20xy (since x and y are positive numbers). And therefore -20xy is much more negative, but \frac{dx}{dt} is much worse. Going to find: the larger y, the less or even more negative \frac{dx}{dt}, the less x.

Test: It implies that higher y means less x (more prey) (fewer predators). Then, does the assumption which x is a predator confirmed? No, because more prey, and thus more predators, would mean better lunch for both the predators, People could see that x is now a prey as well as y a predator, even though more predators(y) exist.

They use the second equation to check this:

\frac{dy}{dt} = -\frac{5y+xy}{20}

Perhaps, now we're just talking about basic dependency as of now: one is from dy/dt to x. A larger x means that the y (predator) is growing faster. For System B we are using the same rationale.Thus, x is a predator and y a predator (as high x indicates higher 25 x but this results in increased y population increase (EQ.2), as higher x means lower \frac{XY}{100} and reduces x) Afterwards, we would like to learn which system has big and small predators. To conclusion, they must realize that this piranha does not impact that population of humans in the case of piranhas. However in cases where y = I and y = i+1 would not significantly differ from \frac{dx}{dt} (alter in the number of individuals) (i is an arbitrary number of piranhas)

This function of system B can be seen: \frac{dx}{dt} = 0.3x - \frac{xy}{100}. And what's the reason? Given the fact that the element beside y is \frac{1}{100}, another tiger shark is no worse than \frac{dx}{dt} and therefore not willing to make a significant contribution to the elimination of global life. Through system A, they could see that the predator is huge because one predator implies a major shift in \frac{dx}{dt} almost. I belive that, this message has been observed by you. But I also hope that throughout the end I have created no error:) This should try to not learn with your heart, since it is helpful when you grasp the task. Another way to approach the problem might be to try to consider \frac{dy}{dt} instead of \frac{dx}{dt} for both systems and then to see that what prey is tiny or large. This big predator should not imply many hunters with one location or each other and will eat a meal (System A seems to have this feature: (\frac{dy}{dy} = -5y)

4 0
2 years ago
Miguel made $286 for 13 hours of work.
Neporo4naja [7]

Answer:

Step-by-step explanation:

The key here is to find out how much he makes per hour. We can find that out using the info given.

286 = 13x so

x = 22 dollars per hour. For 7 hours of work then,

7(22) = $154

8 0
3 years ago
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A cube has a surface area of 150 square inches (in)
Marta_Voda [28]

Answer:

25in²

Step-by-step explanation:

a cube has 6 faces

all of these are equal

therefore you need to divided 150 by 6

that's 25

the answer is 25 in²

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