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Agata [3.3K]
2 years ago
5

Rob sent an email survey to 2,000 cell phone owners asking about their satisfaction with their current plan. Only 256 people ret

urned the survey and they were predominately 18-24 years old.
Which of the following statements is true?


Rob is ignoring the assumption that all survey participants will want to act independently.


The survey likely has bias because the people who could not answer differ from those who did answer.


Rob included too many people on the survey list, affecting the data collected.


The survey suffers from census issues because only 256 people responded.
Mathematics
1 answer:
ivolga24 [154]2 years ago
6 0

Answer:

option B

everyone has different opinions about different things, since we only recorded the survey of a fourth of the total people, the survey will definitely have bias since the people who dont have to answer survey will not be able to record their opinions

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Functions f(x) and g(x) are shown: f(x) = x2 g(x) = x2 − 8x + 16 In which direction and by how many units should f(x) be shifted
denis23 [38]

Answer:

Shift right by 4

Step-by-step explanation:

Given f(x)=x^2

g(x)= x^2-8x+16

Using

Horizontal Shift theorem dealing with the question

If the graph were to be move to to the right, we must use of graph f (x-L)

Where L= 4 and

NOTE:

POSITIVE L MAKES GRAPH SHIFT RIGHT

2) NEGATIVE MAKES GRAPH SHIFT LEFT

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(x-4)(x-4)

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4 0
2 years ago
A bearing, measured at 1.234 inches with a caliper, must be replaced. Since the bearings are sized in 64ths of an inch, find the
Ganezh [65]
We have
1.234 in-----> 1+(0.234) in

we know that
1/64=0.015625
so
0.234/0.015625=14.98-----> 15
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therefore
1.234 in is equal to -----------> 1 15/64 in

the answer is
1 15/64 in
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2 years ago
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