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irinina [24]
3 years ago
15

___________is an expected error based only on the observations limited to a sample taken from a population

Mathematics
1 answer:
IgorLugansk [536]3 years ago
3 0

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>1. Sampling error</em>

▹ Step-by-Step Explanation

A sampling error is an error in statistics. This means that not the whole population is given a chance to be sampled, which results in this error.

Hope this helps!

- CloutAnswers ❁

Brainliest is greatly appreciated!

━━━━━━━☆☆━━━━━━━

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What is the domain of the function f(x) = square root x-9+5?
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Answer:

sqrt x-4

Step-by-step explanation:

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3 years ago
There are 8 knives and 12 forks in a package of plastic utensils. Which ratio is equivelent to 8/12?
djyliett [7]

Answer:

\frac{2}{3}

Step-by-step explanation:

If you divide \frac{8}{12} by 4 (both numerator and denominator)

You get \frac{2}{3} which is equivalent to the given ration

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3 years ago
Perform the operation.<br> (-10x² + 9) + (8x2 – 5x + 7)<br> HELP ASAP PLS
Ilia_Sergeevich [38]

Answer:

-2x² - 5x + 16

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

(-10x² + 9) + (8x² - 5x + 7)

<u>Step 2: Simplify</u>

  1. Combine like terms (x²):                                                                                  -2x² + 9 - 5x + 7
  2. Combine like terms (Z):                                                                                   -2x² - 5x + 16
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2 years ago
For flvs math 7th grade, there is and end of course segment 2 review video, and there is a phrase in it that we need to tell the
alexandr402 [8]

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Step-by-step explanation:

3 0
3 years ago
The wheels on Darlene's car have on 11-inch radius. If the wheels are rotating at a rate of 378 rpm, find the linear speed in mi
elena-s [515]

Answer:

The linear speed in which Darlene is traveling is 24.74 miles per hour.

Step-by-step explanation:

The wheel experiments rolling, which is a combination of translation and rotation. The point where linear speed happens is located at geometrical center of the wheel and instantaneous center of rotation is located at the point of contact between wheel and ground. The linear speed (v), measured in inches per second, is defined by following expression:

v = R\cdot \omega (1)

Where:

R - Radius of the wheel, measured in inches.

\omega - Angular speed, measured in radians per second.

If we know that R = 11\,in and \omega \approx 39.584\,\frac{rad}{s}, then the linear speed, measured in miles per hour, in which Darlene is traveling is:

v = 11\,in\times \frac{1\,mi}{63360\,in} \times 39.584\,\frac{rad}{s}\times \frac{3600\,s}{h}

v \approx 24.74\,\frac{mi}{h}

The linear speed in which Darlene is traveling is 24.74 miles per hour.

8 0
3 years ago
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