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Monica [59]
4 years ago
14

WILL MARK BRAINLIEST Suppose MyBook sent out 950 surveys. Which of these numbers of surveys being returned would prevent nonresp

onse bias?
A.95B.190C.9D.950
Mathematics
2 answers:
Oliga [24]4 years ago
7 0

Answer:

C) 9

Step-by-step explanation:

The response is very low

Viktor [21]4 years ago
3 0

Answer: 950, option D

Step-by-step explanation:

Adequate response rate from participants prevents non response bias.

Non-response bias can be said to occur when response rates from participants is below 60%.

Meanwhile, all other options are less than or equals 20% respond rate, while 950 implies 100% response rate.

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152/600, 104/600,136/600,208/600 as decimals
zaharov [31]
152/600=0.25

104/600=0.17

136/600=0.23

208/600=0.35
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3 years ago
Which statement is true about the end behavior of the graphed function?
ivolga24 [154]
The First one
As the x-values go to positive infinity, the function’s values go to negative infinity.


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4 years ago
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How to round 15,472,988 in ten thousands
muminat
To round numbers to the nearest ten thousand, make the numbers whose last four digits are 0001 through 4999 into the next lower number that ends in 0000.this hope it helps
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3 years ago
What are the real solutions
Assoli18 [71]

Step-1 : Multiply the coefficient of the first term by the constant <span> <span> 1</span> • -2 = -2</span> 

Step-2 : Find two factors of  -2  whose sum equals the coefficient of the middle term, which is  <span> 1 </span>.

<span><span>     -2   +   1   =   -1</span><span>     -1   +   2   =   1   That's it</span></span>


Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -1  and  2 
                     <span>x2 - 1x</span> + 2x - 2

Step-4 : Add up the first 2 terms, pulling out like factors :
                    x • (x-1)
              Add up the last 2 terms, pulling out common factors :
                    2 • (x-1)
Step-5 : Add up the four terms of step 4 :
                    (x+2)  •  (x-1)
             Which is the desired factorization

Final result : (x + 2) • (x - 1) • (x - 3) • (2x - 5) <span>
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5 0
4 years ago
Find the arc length of the given curve between the specified points.
yuradex [85]

Answer:

4.25

Step-by-step explanation:

Given:

f(x) = \frac{x^3}{12} + \frac{1}{x} \\\\Arc Length = \int\limits^a_b {\sqrt{1 + (f'(x))^2}  } \, dx \\f '(x) = \frac{x^2}{6} - \frac{1}{x^2}\\\\f'(x)^2 = (\frac{x^2}{6} - \frac{1}{x^2})^2 = \frac{x^4}{36} +  \frac{1}{x^4} - \frac{1}{3}\\\\1 + f'(x)^2 = \frac{x^4}{36} +  \frac{1}{x^4} + \frac{2}{3}\\\\\= \frac{x^8 + 36 + 12x^4}{36x^4}\\\\= \frac{(x^4 + 6)^2}{36x^4}\\\\=\sqrt{1 + f'(x)^2}  = \sqrt{ \frac{(x^4 + 6)^2}{36x^4}}\\\\= \frac{x^2}{6} + \frac{1}{x^2} \\\\

ArcLength = \int\limits^4_1 {\frac{x^2}{6} + \frac{1}{x^2}  } \, dx \\= (\frac{x^3}{18} -  \frac{1}{x})\limits^4_1\\\\= (\frac{64}{18} - \frac{1}{4}) - (\frac{1}{18} - 1)\\\\= \frac{17}{4}= 4.25

8 0
3 years ago
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