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Scilla [17]
3 years ago
13

As part of a college literature course, students must select three classic works of literature from the provided list and comple

te critical book reviews for each selected work. Write a short description of the processes that can be used to generate a simple random sample of three books. Obtain a simple random sample of size 3 from this list Click the icon to view the classic works list. Which of the following would produce a simple random sample? Select all that apply.
A. Ask someone their opinion on which three books are best, and select those three
B. List each book on a separate piece of paper, place them all in a hat, and pick three
C. List the names in alphabetical order and take the first three on the list.
D. Number the books from 1 to 9 and use a random number table to produce 3 different one digit numbers corresponding to the books selected
Mathematics
2 answers:
monitta3 years ago
8 0

Answer:

B. List each book on a separate piece of paper, place them all in a hat, and pick three

D. Number the books from 1 to 9 and use a random number table to produce 3 different one digit numbers corresponding to the books selected

Step-by-step explanation:

A simple random sample is a subset of a statistical population where every member has an equal chance of being selected.For example in a company with 500 workers, names of 100 workers can be selected from a hat containing the names of 500 workers.

Marat540 [252]3 years ago
5 0

Answer:

B. List each book on a separate piece of paper, place them all in a hat, and pick three

D. Number the books from 1 to 9 and use a random number table to produce 3 different one digit numbers corresponding to the books selected

Step-by-step explanation:

In Simple random sampling each unit has equal chance of being selected in sample.

In Option A and C selection of book is not random, Also each book has not have equal chance of selection. Thus, they would not produce a simple random sample.

Thus, Only Option B and D are correct.

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alex41 [277]

Answer: 4+4=8

Hope this helps :)

Step-by-step explanation:

Say you have four apples, and your friend gives you four more. You put together the amount of apples you have and you get 8.

3 0
3 years ago
Which of the following is the equation of a line perpendicular to the line 7= –3/2 x + 4
frosja888 [35]

Answer:

Option c is correct !!

Step-by-step explanation:

[ Refer to the attachment ]

As y = mx + c is an equation to represent the straight line ; we equate the given line with this equation !!

Where m is slope of the line

and c is y intercept !!

We get , m = -3/2 and c = 4

Also, two perpendicular lines follows the equation :-

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3 years ago
Combine the following expressions:
melisa1 [442]

ANSWER

(4n - 1)\sqrt{3 n} + 3\sqrt{n}

EXPLANATION

The given expression is

\sqrt{48 {n}^{3} }  +  \sqrt{9n}  -  \sqrt{3n}

We remove the perfect squares under the radical sign.

\sqrt{16 {n}^{2}  \times3 n}  +  \sqrt{9n}  -  \sqrt{3n}

We can now take square root of the perfect squares and simplify them further.

\sqrt{16 {n}^{2}}   \times \sqrt{3 n} +   \sqrt{9} \times  \sqrt{n}  -  \sqrt{3n}

This simplifies to:

4n\sqrt{3 n} + 3\sqrt{n}  -  \sqrt{3n}

This further simplifies to:

(4n - 1)\sqrt{3 n} + 3\sqrt{n}

3 0
2 years ago
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Harrizon [31]

Answer:

<h2>80 cm²</h2><h2 />

Step-by-step explanation:

to get the area of the given figure,

we need to split it in to two (see attached)

then area of a rectangle = length x width

A1 = 15 cm x 4 cm = 60 cm²

A2 = 5 cm x 4 cm = 20 cm²

Area = A1 + A2

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Blababa [14]

Answer:

2401

Step-by-step explanation:

because 7*7*7*7=2401

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2 years ago
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