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Airida [17]
4 years ago
15

The student council president wants to find out the opinion of the students on the issue of school lunch options. The president

sends out a survey to a random sample of students in the school. What type of sample is this? Explain.
Mathematics
2 answers:
Maru [420]4 years ago
8 0
This is called random sampling. the other type of sampling is stratified sampling. :)

azamat4 years ago
4 0

Answer:  Simple random sample.

Step-by-step explanation:

  • A simple random sample is a sample that is obtained from the population as a subset of the population, the researcher surveyed the selected individuals in a way such that all of them has an equal chance to be selected.

Given : The student council president wants to find out the opinion of the students on the issue of school lunch options. The president sends out a survey to a random sample of students in the school.

By considering the given information, we conclude that this is a simple random sample.

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The price of a share of stock in JZMobile was $74 two weeks ago. Seven weeks ago, the price was $59 a share. Which linear equati
jok3333 [9.3K]

Given:

The price of a share of stock in JZMobile was $74 two weeks ago.

Seven weeks ago, the price was $59 a share.

To find:

The linear equation to find the price p of a share of JZMobile w weeks from now.

Solution:

Let, p be the price of a share of JZMobile w weeks from now.

The price of a share of stock in JZMobile was $74 two weeks ago. It means, the graph of linear equation passes through (2,74).

Seven weeks ago, the price was $59 a share. It means, the graph of linear equation passes through (7,59).

The graph of linear equation passes through two points (2,74) and (7,59). So, the linear equation is

y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)

y-74=\dfrac{59-74}{7-2}(x-2)

y-74=\dfrac{-15}{5}(x-2)

y-74=-3(x-2)

y-74=-3x+6

Adding 74 on both sides, we get

y=-3x+6+74

y=-3x+80

y=80-3x

Therefore, the correct option is C.

6 0
3 years ago
Write an expression to represent Steve's height in inches.
bezimeni [28]

Answer:

he is as tall as a Mouse.

explanation:

we can't Write an expression to represent Steve's height inches if we don't know what his height is

So what is Steve's height?

3 0
4 years ago
Plz help me i dont wanna fail and plz dont steal my points :(
tester [92]
Number 3 would be C and number 4 would be D
5 0
3 years ago
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Which of the following values is a solution to the inequality? 12 – 5x > -8
olya-2409 [2.1K]

Answer:

x < 4

Step-by-step explanation:

12 – 5x > -8

Subtract 12 from each side

12-12 – 5x > -8-12

-5x> -20

Divide each side by -5, remembering to flip the inequality

-5x/-5 < -20/-5

x < 4

5 0
3 years ago
What is the slope of the line represented by the equation
marin [14]

Answer:

a). -1/2

Step-by-step explanation:

5 0
3 years ago
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