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3 years ago

Items 7-8. Suppose XY has one

Mathematics

1 answer:

Salsk061 [2.6K]3 years ago

6 0

Answer:(6,8)

Step-by-step explanation: I didn't use a formula, but since (3,4) was the midpoint I went out three more and up four more, which got me to (6,8).

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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

lukranit [14]

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

8 0

1 year ago

there are 657 lights on you set. on any given day 6 of them burn out and need to be replaced . if each light cost $45 how much d

Klio2033 [76]

Answer:

1890, total cost of lights per week

Step-by-step explanation:

The lights cost 45 dollars per bulb and 6 go out per day, 45×6=270

270 is the cost to replace the bulbs of one day.

270×7=1890. 1890 is the cost for a whole weeks worth of replacing these bulbs.

6 0

3 years ago

HELPPPP I GIVE SO MANY POINTSSSSSSSSSSSSSSSSSSSS.the integer n is between 1 and 119. Alistair adds up the first bunch of numbers

Aneli [31]

Answer:

hard gl tho you should have prob taken notes

Step-by-step explanation:

7 0

3 years ago

The point (-4,0) is rotated 180 degrees counterclockwise using center (0,0). what are the coordinates of the image?

jenyasd209 [6]

Answer:

The new coordinate of the image will be (4, 0) when the point (-4,0) is rotated 180 degrees counterclockwise using center (0,0).

i.e. [(-4,0)→(4,0)]

Step-by-step explanation:

The rule for rotation a point 180° counterclockwise about the origin states that when a point (x, y) is rotated 180° counterclockwise about the origin, the new position of the coordinates of point P(x, y) becomes (-x, -y).

Hence,

Rotate (x, y) counterclockwise 180° about the origin: [(x,y)→(-x,-y)]

So, when the given point (-4,0) is rotated 180 degrees counterclockwise using center (0,0), the new coordinates of the image will be:

Rotate (-4, 0) counterclockwise 180° about the origin: [(-4,0)→(4,0)]

Therefore, the new coordinate of the image will be (4, 0) when the point (-4,0) is rotated 180 degrees counterclockwise using center (0,0).

i.e. [(-4,0)→(4,0)]

Keywords: rotation, origin, image

Learn more rotation from brainly.com/question/12200192

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6 0

3 years ago

Please help

Nataly_w [17]

Answer:

n = 80

Step-by-step explanation:

Plug in 80 for n to check:

17 + 80/5 = ?

17 + 16 = 33

3 0

3 years ago