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kompoz [17]
3 years ago
5

Living with parents: The Pew Research Center reported that 36% of American Millennials (adults ages 18–31) still live at home wi

th their parents. A group of students wants to conduct a study to determine whether this result is true for students at their campus. They survey 300 randomly selected students at their campus and determine that 43% of them live at home with their parents. With this data, they test the following hypotheses.
LaTeX: H_0H 0: Of Millennial students at their campus, 36% live at home with their parents.

LaTeX: H_aH a: More than 36% of Millennial students at their campus live at home with their parents.

In order to assess the evidence, which question best describes what we need to determine?

Group of answer choices

a.If we examine a sample of students at their campus and determine the proportion who still live at home with their parents, how likely is that proportion to be 36%?

b.If we examine the proportion of students at their campus who still live at home with their parents, how likely is that proportion to be 36%?

b.If we examine the proportion of students at their campus who still live at home with their parents, how likely is that proportion to be more than 36%?

c.If we examine a sample of students at their campus and determine the proportion who still live at home with their parents, how likely is that proportion to be 43% or more?

d.If we examine the proportion of students at their campus who still live at home with their parents, how likely is that proportion to be 43%?
Mathematics
1 answer:
satela [25.4K]3 years ago
4 0

Answer:

i know people are going to come at me

Step-by-step explanation:

but only answering for answers

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Nataly_w [17]

Answer:

There are infinitely many solutions.

Step-by-step explanation:

3x + 2y = 7

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Now multiply the first equation by 3

3 × 3x + 2y = 7 ➡ 9x + 6y = 21 Now subtract second equation from first equation

9x + 6y - 9x - 6y = 21 - 21

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ira [324]

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Step-by-step explanation:

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Please give the explanation and the answer
Dominik [7]

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b

Step-by-step explanation:

3 0
3 years ago
In a movie theater, the number of seats in a row is 8 greater than the total number of rows. How many rows are in the movie thea
Harman [31]

Answer:

26 rows

Step-by-step explanation:

this is like a rectangle length×width situation.

seats per row = s

number of rows = r

s × r = 884

s = r + 8

so, we can use e.g. the second equation in the first :

(r + 8) × r = 884

r² + 8r = 884

r² + 8r - 884 = 0

the general solution to such a quadratic equation is

x = (-b ± sqrt(b² - 4ac))/(2a)

in our case

x = r

a = 1

b = 8

c = -884

r = (-8 ± sqrt(8² - 4×1×-884))/(2×1) =

= (-8 ± sqrt(64 + 3536))/2 = (-8 ± sqrt(3600))/2 =

= (-8 ± 60)/2 = -4 ± 30

r1 = -4 + 30 = 26

r2 = -4 - 30 = -34

a negative number did not make any sense for the number of rows, so r = 26 is our answer.

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