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ivanzaharov [21]
2 years ago
5

A sample in which each individual in the population has an equal chance to be selected is a ________________.

Mathematics
1 answer:
Firlakuza [10]2 years ago
5 0

A sample in which each individual in the population has an equal chance to be selected is a "simple random sampling".

<h3>What is simple random sampling?</h3>

A subset of such a statistical population called a simple random sample is one where each member has an equal chance of being chosen. A straightforward random sample is intended to offer an objective depiction of a group.

Some key features of simple random sampling are-

  • A straightforward random sample, where each participant has an equal chance of being selected, selects a tiny, random piece of the total population that will represent the full data set.
  • Using techniques like lottery or random draws, researchers can generate a straightforward random sample.
  • If a sample does not precisely reflect the population it really is intended to represent, there may have been a sampling error.

To know more about simple random sampling, here

brainly.com/question/13219833

#SPJ4

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3<br> Simplify:1/4 (15 – 6) +3 : 12<br> A. 2<br> B. 3<br> C. 41<br> D. 5<br> 7<br> 12
zalisa [80]

Answer:  5.25 or 5.5 [see note]

Step-by-step explanation:

1/4 (15 – 6) +3  <em><u>[I'm not clear what is meant by the " : 12," so I left it out.]</u></em>

1/4 (9) +3

9/4 + 3

2.25 + 3 = 5.25

===

If it is supposed to read

1/4 (15 – 6) +3/12

Then it would be

5.25 + 0.25 = 5.5

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4 years ago
Which graph represents the given function?
kvasek [131]

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Step-by-step explanation:

7 0
3 years ago
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11111nata11111 [884]
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Read 2 more answers
What are the coordinates of the vertex of the parabola represent by the equation y=-5x^2+30x-25
Jobisdone [24]

Answer:

The coordinate of the  vertex of the parabola is (h,k) =  (3,20)

Step-by-step explanation:

The given equation of the parabola is y=-5x^2+30x-25

Now, the General Parabolic Equation is of the form:

y = a (x-h)^2 + k, then the vertex is the point (h, k).

Now, to covert the given equation in the standard form:

y=-5x^2+30x-25   = -5(x^2  -6x   + 5)

Using the COMPLETE THE SQUARE METHOD,

-5(x^2  -6x   + 5)  = -5(x^2  -6x  +  (3)^2 +  5  - (3)^2)\\\implies -5(((x^2  -6x +(3)^2)  + 5 - 9)\\= -5((x-3)^3 -4)\\= -5(x-3)^2 + 20

ory = -5(x-3)^2 + 20

⇒The general formed equation of the given parabola is

y  = -5(x-3)^2 + 20

Comparing this with general form, we get

h = 3, k = 20

Hence, the coordinate of the  vertex of the parabola is (h,k) =  (3,20)

5 0
4 years ago
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