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Makovka662 [10]
3 years ago
7

A college administrator knows that 70% of the students at her college are from out of state, so she decides to make sure that sh

e includes 70 out-of-state students and 30 in-state students in her survey about admission practices at the college. She has a list of all the out-of-state and in-state students currently enrolled at the college. She randomly selects 70 students from the out-of-state list and 30 students from the in-state list. Which sampling method is she using?
Mathematics
1 answer:
AURORKA [14]3 years ago
7 0

Answer:

stratified random sampling

Step-by-step explanation: Hope this Helps PLZ give brainlest :)

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F(x)=9(x-8) find f^-1(x)
mina [271]

Answer:

f^{-1}(x) = \frac{1}{9} x + 8

Step-by-step explanation:

let y = f(x) and rearrange making x the subject, that is

y = 9(x - 8) ← divide both sides by 9

\frac{y}{9} = x - 8 ( add 8 to both sides )

\frac{y}{9} + 8 = x

Change y back into terms of x with x = f^{-1}(x) , thus

f^{-1}(x) = \frac{1}{9} x + 8

8 0
3 years ago
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algol13
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assuming you mean whole numbers,

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4 years ago
9 times what gives u 216
ANEK [815]
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Step-by-step explanation:

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Step-by-step explanation:

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