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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 help me it's the lateral area of a cone along with the surface area
jekas [21]

Answer:

the lateral area of cone is L=A﹣πr2

the surface area of cone is

a = \pi \: r \sqrt{h^{2} + r {}^{2}  }

3 0
2 years ago
Consider a circle whose equation is x2 + y2 – 2x – 8 = 0. Which statements are true? Select three options.
Alla [95]

Considering the given equation of the circle, the true statements are given as follows:

  • The radius of the circle is of 3 units.
  • The center of the circle lies on the x-axis.
  • The circle has the same radius as the circle with equation x² + y² = 9.

<h3>What is the equation of a circle?</h3>

The equation of a circle of center (x_0, y_0) and radius r is given by:

(x - x_0)^2 + (y - y_0)^2 = r^2

The equation given is:

x2 + y² - 2x - 8 = 0.

Completing the squares, the equation is given as follows:

(x - 1)² + y² = 8 + 1

(x - 1)² + y² = 9.

Researching the problem on the internet, the true statements are:

  • The radius of the circle is of 3 units.
  • The center of the circle lies on the x-axis(y_0 = 0).
  • The circle has the same radius as the circle with equation x² + y² = 9.

More can be learned about the equation of a circle at brainly.com/question/24307696

#SPJ1

8 0
2 years ago
Find the area of the figure
sweet [91]

Answer:

400 square yards

Step-by-step explanation:

square part = l x w = 20 x 15 = 300

triangle part = 1/2 b x h = 1/2 (20) (10) = 100

300 + 100 = 400

3 0
2 years ago
The ratio of small dogs to large dogs at the dog show is 423 if there are 56 dogs in the show how many are large dogs. please sh
Anarel [89]
Ok if there is 423 dogs and 56 big dogs need to sub the dogs and you get
423-56=357 big dogs

SO there are 357 dig dogs

8 0
3 years ago
Read 2 more answers
The green shape is a dilation of the black shape. What is the scale factor of the dilation?
kow [346]

Answer:

4

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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