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Gnoma [55]
3 years ago
10

Assume for a given study that the null hypothesis asserts the expected value of a phenomenon is 10. A research study results in

a 95% confidence interval reported as [7.142, 9.865]. What decision would you make based on this confidence interval
Mathematics
1 answer:
soldi70 [24.7K]3 years ago
8 0

Answer:

I would reject the null hypothesis because it falls outside of the 95% confidence interval.

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What is the equation of a line that is perpendicular to -x + 2y =4 and passes through the point (-2, 1)
Trava [24]

Answer:

y = -2x - 3

Step-by-step explanation:

-solve for y: y = 1/2x + 2

-perpendicular equals opposite slope: -2

-plug in the point: (1) = -2(-2) + b

                               1 = 4 + b

                                b = -3

put it all together: y = -2x - 3

8 0
3 years ago
Please and thank you help me
Art [367]

9514 1404 393

Answer:

  • your graph is correct
  • y = 3x -5

Step-by-step explanation:

The graph shows you the line has a "rise" of 1-(-2) = 3 for a "run" of 2-1 = 1, so the slope is 3/1 = 3.

The y-intercept is seen to be -5, so the equation is ...

  y = mx +b . . . . . where m is the slope (3) and b is the y-intercept (-5)

  y = 3x -5

__

The points and line are plotted correctly, so you already have your graph.

4 0
3 years ago
Find the value of x.
In-s [12.5K]

Answer:

49

Step-by-step explanation:

angle QPR and angle TPS are alternate angles and their measure is equal to each other:

3x + 1 = 148 subtract 1 from both sides

3x = 147 divide both sides by 3

x = 49

4 0
2 years ago
Please help me and i will try my best to give you a brainliest!!<br><br> thank you
Arte-miy333 [17]
The slope is 3/2(
0,4) and (2,7) the distance is 3 rising and 2 to the side. Remember rise over run so I would be 3/2
6 0
2 years ago
1. Socks are on sale at 10% discount. What is the sale price of a pair of socks originally
Alona [7]

Answer:

10/100 = x/125

1250 = 100x

1250/100 = 100x/100

12.5 = x

125 - 12.5 = 112.5

the sale price is $112.5

4 0
2 years ago
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