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IgorC [24]
3 years ago
13

As part of a demographic study, a college administrator needed to survey a sample of students from the college. From each major

offered at the college, the administrator randomly selected 5 percent of the students with that major to participate in the survey.
Required:
What is the best description of the type of sample selected by the administrator?
Mathematics
1 answer:
marissa [1.9K]3 years ago
4 0

Answer:

Option D is correct

Step-by-step explanation:

The options for the question is

a)cluster sample

b)convenience sample

c)simple random sample

d)stratified random sample

e)systematic random sample

Solution

The sampling here comprises of students from all the major of college. Here the major can be considered as "strata" of the educational institute. Out of these, strata or majors five students are selected on random basis.

This is a form of stratified random sample

Hence, option D is correct

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Please help, its my homework and I really need this done
Zanzabum

Answer:

Surface area of cylinder = 91.2π cm²

Volume of cylinder = 57.6π cm³

Step-by-step explanation:

Given:

Height of cylinder = 1.6 cm

Radius of cylinder = 6 cm

Find:

Surface area of cylinder

Volume of cylinder

Computation:

Surface area of cylinder = 2πr[h+r]

Surface area of cylinder = 2π(6)[1.6+6]

Surface area of cylinder = 2π(6)(7.6)

Surface area of cylinder = 91.2π cm²

Volume of cylinder = πr²h

Volume of cylinder = π(6)²(1.6)

Volume of cylinder = π(36)(1.6)

Volume of cylinder = 57.6π cm³

3 0
3 years ago
Which is equivalent to (9y2-4x)(9y2+4x) , and what type of special product is it?
Gennadij [26K]

Answer:

81y^4 - 16x^2, difference of squares.

Step-by-step explanation:

So we need to expand the following product:

(9y2-4x)(9y2+4x) = 9y2*9y2 + 4x*9y2 - 4x*9y2 -4x*4x = 81y^4 - 16x^2

And this type of product is the difference of squares.

8 0
3 years ago
Read 2 more answers
3/5 ÷ 1/4 – 2/5 ^2 (these are fractions and ^2 this is a exponent)
NISA [10]

Answer:

The answer is 7/100

4 0
2 years ago
You baked a total of 270 cookies for your school using three shapes:
MrMuchimi

Answer: They are only 5 heart remaining.

Step-by-step explanation:

8 0
3 years ago
ASAP ASAP ASAP ASAP HELP HELP HELP HELP​
LUCKY_DIMON [66]

#6

Line DG is 24.5. So DO +DG= 24.5

(3x+4) + (5x-1.5) =24.5 then combine like terms.

8x+2.5=24.5

-2.5. -2.5

8x = 22 then divide both sides by 8

X=2.75.

To find DO and OG plug in the value of X and solve

DO

3(2.75) +4

8.25+4 = 12.25

OG

5(2.75) -1.5

13.75 - 1.5= 12.25

6 0
3 years ago
Read 2 more answers
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