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kherson [118]
2 years ago
13

Select all the angles of rotation that produce symmetry for this flower.

Mathematics
1 answer:
Sedaia [141]2 years ago
3 0

Answer:

Angles of rotation that produce symmetry are the angles that we can rotate the image, and the end result will be the starting image. (the angles are always measured from the x-axis)

Here we can clearly see that in each quadrant we have a petal of the flower.

Then the angles that change one quadrant into other quadrant will produce symmetry.

Those angles are:

90°, 180°, 270°, 360°, etc.

We can define the set of those angles as:

A {n*90° I n ∈ Z}

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The proportion of a population with a characteristic of interest is p = 0.37. What is the standard deviation of the sampling dis
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The standard deviation (SD) of a sample proportion obtained when the sample size is 1,600 is equal to 0.0121.

<h3>What is a sample proportion?</h3>

A sample proportion can be defined as the proportion of individuals in a sample that have a specified characteristic or trait.

Mathematically, sample proportion can be calculated by using this formula:

\hat{p} = \frac{x}{n}

Where:

  • x represent the number of individuals with a specified characteristic.
  • n represent the total number of individuals in a sample.

In Mathematics, the standard deviation (SD) of a sample proportion obtained when the sample size is 1,600 can be calculated by using this formula:

Standard deviation (SD) = √(p(1 - p)/n)

Substituting the given parameters into the formula, we have;

Standard deviation (SD) = √(0.37(1 - 0.37)/1,600)

Standard deviation (SD) = √(0.37(0.63)/1,600)

Standard deviation (SD) = √(0.2331)/1,600)

Standard deviation (SD) = √0.0001457

Standard deviation (SD) = 0.0121.

Read more on standard deviation here: brainly.com/question/14467769

#SPJ1

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