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drek231 [11]
3 years ago
9

To test H 0​: p=0.40 that a population proportion equals 0.40​, the test statistic is a​ z-score that measures the number of sta

ndard errors between the sample proportion and the H0 value of 0.40. If z=3.8​, do the data support the null​ hypothesis, or do they give strong evidence against​ it?
(A) The data give strong evidence against the null hypothesis because the sample proportion falls over three standard errors from the null hypothesis value.
(B) The data support the null hypothesis because the sample proportion falls over three standard errors from the null hypothesis value.
(C) The data give strong evidence against the null hypothesis because the sample proportion falls within four standard errors from the null hypothesis value.
(D) The data support the null hypothesis because the sample proportion falls within four standard errors from the null hypothesis value.
Mathematics
1 answer:
S_A_V [24]3 years ago
4 0

Answer:

Step-by-step explanation:

no

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Which property of polynomial addition says that the sum of two polynomials
ArbitrLikvidat [17]

Answer:

The property of polynomial addition that says that the sum of two polynomial is always a polynomial is called closure property of addition or under addition.

Polynomials are closed under addition because when you add polynomials the letters and their exponents do no change, you just add the coefficients of the like terms (those with same letters raised to the same exponents), so the result will be other polynomial of the same kind, except for the terms that cancel (positive with negative) which does not change the fact that the result is still a polynomial.

In mathematics the closure property means that the result of an operation over a kind of "number" will result in a "number" of the same kind.

7 0
3 years ago
what is an equation of a line that passes through the point (-4,-6) and is perpendicular to the line 2x-y=6
igor_vitrenko [27]

Answer:

Answer:y=2/3x-10/3

- 4/-6 is 4/6 so m is 4/6 then fill in the x and y variables in y=Mx+b solve for b then start plotting the equation of the line to check and you get your answer

I think this is the answer you might need to check again with more people

Step-by-step explanation:

6 0
3 years ago
HELP ME PLZ I don't get math
Finger [1]

Answer:

9/10 would be $1.80

2 would be $2.90

3 and 1/10 would be $4

10 would be $10.90

Step-by-step explanation:

Youre welcome bud im not sure how to explain tho

7 0
3 years ago
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Which theorem is correct
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Step-by-step explanation:

5 0
3 years ago
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Find the values of &lt; and y.<br> (8x + 7)<br> 5yº<br> (7y -- 34)<br> = (2x - 4)^
Lilit [14]

Answer:

x = 11

y = 17

Step-by-step explanation:

We know that opposite angles (or vertical angles) are equal.

So

8x + 7 = 9x - 4

Subtract 8x from both sides of the equation

8x - 8x + 7 = 9x - 8x - 4

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Add 4 to both sides of the equation

7 + 4 = x - 4 + 4

11 = x

Looking at the other 2 angles,

5y = 7y - 34

Subtract 7 y from both sides of the equation

5y - 7y = 7y - 7y - 34

-2y = -34

Divide both sides by -2

-2y/-2 = -34/-2

y = 17

6 0
3 years ago
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