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torisob [31]
3 years ago
8

Test the claim about the difference between two population means mu 1μ1 and mu 2μ2 at the level of significance alphaα. assume t

he samples are random and​ independent, and the populations are normally distributed
Mathematics
1 answer:
Slav-nsk [51]3 years ago
3 0
The claim does not work as irelle's thoerem for Indifference Measures does not hold for all mu √x
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Please show full solutions! WIll Mark Brainliest for the best answer. <br><br> SERIOUS ANSWERS ONLY
Ierofanga [76]

Answer:

  • vertical scaling by a factor of 1/3 (compression)
  • reflection over the y-axis
  • horizontal scaling by a factor of 3 (expansion)
  • translation left 1 unit
  • translation up 3 units

Step-by-step explanation:

These are the transformations of interest:

  g(x) = k·f(x) . . . . . vertical scaling (expansion) by a factor of k

  g(x) = f(x) +k . . . . vertical translation by k units (upward)

  g(x) = f(x/k) . . . . . horizontal expansion by a factor of k. When k < 0, the function is also reflected over the y-axis

  g(x) = f(x-k) . . . . . horizontal translation to the right by k units

__

Here, we have ...

  g(x) = 1/3f(-1/3(x+1)) +3

The vertical and horizontal transformations can be applied in either order, since neither affects the other. If we work left-to-right through the expression for g(x), we can see these transformations have been applied:

  • vertical scaling by a factor of 1/3 (compression) . . . 1/3f(x)
  • reflection over the y-axis . . . 1/3f(-x)
  • horizontal scaling by a factor of 3 (expansion) . . . 1/3f(-1/3x)
  • translation left 1 unit . . . 1/3f(-1/3(x+1))
  • translation up 3 units . . . 1/3f(-1/3(x+1)) +3

_____

<em>Additional comment</em>

The "working" is a matter of matching the form of g(x) to the forms of the different transformations. It is a pattern-matching problem.

The horizontal transformations could also be described as ...

  • translation right 1/3 unit . . . f(x -1/3)
  • reflection over y and expansion by a factor of 3 . . . f(-1/3x -1/3)

The initial translation in this scenario would be reflected to a translation left 1/3 unit, then the horizontal expansion would turn that into a translation left 1 unit, as described above. Order matters.

8 0
2 years ago
Using {0,1,3,4,5,6,9}, how many four-digit numbers with different digits can be produced between 4000 to 5000, if the numbers mu
bogdanovich [222]

Answer:18

Step-by-step explanation:

8 0
3 years ago
Pleaseeeeeeeeeeee helpppppppp
Nesterboy [21]
D. 300 it is. is there more?
3 0
3 years ago
Read 2 more answers
Help guys and gals 10 points!!!!!
olga_2 [115]

2x + y = 7

y = -2x + 7 where slope m = -2 and b= y intercept = 7

Answer is C

slope : -2 and  y intercept = 7

4 0
3 years ago
Read 2 more answers
Gina made a scale drawing of a house and its lot. She used the scale 1 inch: 4 feet. If the house's
denpristay [2]

Answer:

The driveway is 36 feet

Step-by-step explanation:

1 in = 4 feet

2 in = 8 feet

This shows us that you have to multiply 4 by how many inches there is.

3 0
3 years ago
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