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kiruha [24]
3 years ago
8

According to the Pew report, 14.6% of newly married couples in 2008 reported that their spouse was of another race or ethnicity

(CNNLiving, June 7, 2010). In a similar survey in 1980, only 6.8% of newlywed couples reported marrying outside their race or ethnicity. Suppose both of these surveys were conducted on 120 newly married couples. Use Table 1.
a.
Specify the competing hypotheses to test the claim that there is an increase in the proportion of people who marry outside their race or ethnicity.

H0: p1 − p2 ≤ 0; HA: p1 − p2 > 0
H0: p1 − p2 = 0; HA: p1 − p2 ≠ 0
H0: p1 − p2 ≥ 0; HA: p1 − p2 < 0
Mathematics
1 answer:
sweet [91]3 years ago
3 0
Shisiekkd. Wklwlwl kalwow wish is owl am dh Wii’s all wish wishfully usnan2839 7 hessian
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I really dont get it what does it mean
svetoff [14.1K]
So basically what this is trying to tell you is are they mutiples / equal to each other, also a rule. Its A. because 25 x 2 = 50, then 50 x 2 = 100 and so on.

So the answer is A

Hope it helps! :D
4 0
3 years ago
Read 2 more answers
What is a31 of the<br> arithmetic sequence for<br> which a5 = 12.4 and<br> ag = : 22.4?
MrMuchimi

The value of a₃₁ of the arithmetic sequence exists 77.4.

<h3>How to find the value of a₃₁ of the arithmetic sequence?</h3>

Given: a₅ = 12.4 and a₉ = : 22.4

For the arithmetic sequence a₁, a₂, a₃, ..., the n-th term exists

where d = common difference

a₅ = 12.4,

a₁ + 4d = 12.4 .........(1)

Because a₉ = 22.4,

a₁ + 8d = 22.4 .........(2)

Subtract (1) from (2), we get

a₁ + 8d - (a₁ + 4d) = 22.4 - 12.4

4d = 10

Dividing throughout by 4, we get

d = 2.5

From (1), we get

a₁ = 12.4 - 4 * 2.5 = 2.4

a₃₁ = 2.4 + 30 * 2.5 = 77.4

Therefore, the correct answer is a₃₁ = 77.4

To learn more about the arithmetic sequence refer to; brainly.com/question/6561461

#SPJ9

8 0
1 year ago
Find the first three terms of the sequence with nth term 2n+4​
LiRa [457]

Answer:

To find out the first three terms of 2n + 4 substitute 1 ,2 and 3 into the equation.

2(1)+4=2+4=6

2(2)+4=4+4=8

2(3)+4=6+4=10

As you can see the sequence goes up in 3s 6 ,8, 10 To find out the 9th term you also substitute 9 into the equation so

2(9)+4=18+4=22

Hope this helped!

5 0
3 years ago
A central angle is best described as which of the following?
DanielleElmas [232]

Answer:

C. It is an angle that has its vertex at the center of a circle.

Step-by-step explanation:

That's the definition.

A. is wrong. An angle with a measure greater than 180° is an obtuse angle,

B. is wrong. An angle that has its vertex on the circle is an inscribed angle.

D. is wrong. Part of the circumference of a circle is an arc.

4 0
3 years ago
Find the equation for the line that passes through -1,-2 and 4,3. Is the point 3,1 on the line
DaniilM [7]

Answer:

  • y = x -1
  • no

Step-by-step explanation:

A graph quickly answers this question.

__

The given points have a horizontal difference of 4-(-1) = 5 and a vertical difference of 3-(-2) = 5, so the slope of the line between them is ...

  m = Δy/Δx = 5/5 = 1

The point-slope form of the equation for a line can be written ...

  y = m(x -h) +k . . . . . for slope m through point (h, k)

Using the first point and the slope we found, we can write the equation as ...

  y = 1(x -(-1)) +(-2)

  y = x -1 . . . . . . . . . simplify; this is the equation of the line

__

When we try the third point in this equation, we get ...

 y = 3 -1 = 2 ≠ 1 . . . . . the third point is not on the line

3 0
3 years ago
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