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alexandr402 [8]
3 years ago
11

A bookstore wants to determine how many books the people in the surrounding neighborhood read per month on average. they survey

each customer who enters their store for one week. identify any bias in this method. if appropriate, suggest a method more likely to produce a random sample.
Mathematics
1 answer:
GREYUIT [131]3 years ago
4 0

Answer:

Step-by-step explanation:

poop

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A group of 2n people, consisting of n men and n women, are to be independently distributed among m rooms. Each woman chooses roo
vfiekz [6]

Step-by-step explanation:

Assume that

X_i = \left \{ {{1, If , Ith, room, has,exactly, 1,man, and , 1,woman } \atop {0, othewise} \right.

hence,

x = x_1 + x_2+....+x_m

now,

E(x) = E(x_1+x_2+---+x_m)\\\\E(x)=E(x_1)+E(x_2)+---+E(x_m)

attached below is the complete solution

7 0
3 years ago
What is one similarity and one difference between an altitude and a median of a triangle?
trasher [3.6K]
The median of the triangle is a segment that connects the vertex of the triangle to the midpoint of the side opposite to the vertex. <span>The altitude of the triangle is a segment that connects the vertex of the triangle to the side opposite to the triangle, which intersects that side at exactly 90°.</span>
3 0
3 years ago
Which describes a correct way to construct a scatterplot?
dem82 [27]

Answer:b

Step-by-step explanation:

Took quiz

6 0
4 years ago
Read 2 more answers
Help me understand the answer to the question please: 3-(-2)+5=??
Svet_ta [14]

Answer:

10

Step-by-step explanation:

3-(-2)+5

the negative signs next to each other combine to makes a (+)

3+2+5

then you just sum the up

=10

5 0
3 years ago
Which of the following fractions have repeating decimal representations? Which have terminating decimal representations?
natali 33 [55]

Repeating decimal representation will be 3/13, 7/24. Terminating decimal representation will be 3/16, 4/125.

<h3>What is decimal?</h3>

The accepted method for representing both integer and non-integer numbers is the decimal numeral system. It is the expansion of the Hindu-Arabic numeral system to non-integer values. Decimal notation is the term used to describe the method of representing numbers in the decimal system. The base-10 number system, arguably the most widely used number system, is referred to as decimal. The decimal number system consists of ten single-digit numbers: 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. The number following nine is 10.

Here,

Repeating decimal representation,

=3/13, 7/24

Terminating decimal representation,

=3/16, 4/125

3/13 and 7/24 will be repeated in decimal form. The final two decimal places are 3/16 and 4/125.

To know more about decimal,

brainly.com/question/25903211

#SPJ1

7 0
2 years ago
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