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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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What is 15% of 60? Create a model to prove your answer
Crazy boy [7]
Well, 15% of 60 is 9 so now you have to create a model :)

5 0
4 years ago
Read 2 more answers
18. Let z = a + bi represent a general complex number. As noted in the lesson, the conjugate of z, abbreviated conj(z) or conj(a
AnnyKZ [126]

Question (18):

Answer: (A) All of the following

(I am using z^* in place of conj(z)

z*z^*=(a+ib)(a-ib)=a^2-(ib)^2= a^2+b^2=\mbox{modulus(z)}^2

z+z^*=a+ib+a-ib=2a\\z-z^*=a+ib-a+ib=2bi


Question (19):

Answer: (B) -7

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the other choices are all < 7


5 0
3 years ago
You are preparing a community garden with your youth group to have enough room for the spots for all the people who already sign
Annette [7]

Answer:

<u>92 feet.</u>

Step-by-step explanation:

Given:

The length of the garden needs to be 22 feet longer than the width of the garden.

The perimeter of the fence is a total of 324 feet

Question asked:

What will the length be of garden ?

Solution:

As length of the garden needs to be 22 feet longer than the width,

<u>Let width</u> = x

Then,<u> length </u>will be = x+22

As here perimeter of the fence is given, we can find length and width of garden by using:

Perimeter of rectangle = 2(length+width)

324=2(x+22+x)\\324=2(2x+22)\\324=4x+44\\

Subtracting both sides by 44

324-44=4x+44-44\\280=4x\\

Dividing both sides by 4

70=x

Width = x = 70 feet

Then, length will be = x+22 = 70 + 22 = 92 feet

Therefore, the length of the garden will be 92 feet.

3 0
3 years ago
Which points are on the graph .... HELP ASAP
Dmitrij [34]

Answer:

I want to say its (-1,5) but I'm not sure

8 0
3 years ago
A sphere has a radius of 3m. Calculate its surface area and round to the nearest hundredth for your final answer.
bonufazy [111]

Answer:

B

Step-by-step explanation:

formula   s =4*pi*r^2

s=4(3.14)(3^2)

s = 12.56(9)s= 113.04

5 0
4 years ago
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