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Deffense [45]
3 years ago
7

A wildlife management organization is interested in estimating the number of moose in a particular region. Organization employee

s divide the region into 10 sections and randomly select four sections to survey the number of moose present. What sampling method is being used
Mathematics
1 answer:
dusya [7]3 years ago
4 0

Answer:

<u>Cluster sampling method</u> is being used.

Step-by-step explanation:

Given:

A wildlife management organization is interested in estimating the number of moose in a particular region. Organization employees divide the region into 10 sections and randomly select four sections to survey the number of moose present.

Now, to find the sampling method that is being used.

The sampling method that is being used is cluster sampling method.

<u><em>The cluster sampling method is a sampling method in which the whole population is divided into groups and a sample of the groups is selected. Researchers in cluster sampling method divides the complete population in separate groups called clusters and they select a sample of clusters through simple random selection, to analyse on data of selected sampled clusters.</em></u>

<u><em>Here organization employees divide the region into 10 sections and randomly select four sections to survey the number of moose present. </em></u>

<u><em>On cluster sampling method researcher do analysis on data by estimating a parameter on population, computing sample variance and standard error within each cluster and computing its margin of error.</em></u>

Therefore, cluster sampling method is being used.

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7 × (–3) × (–2)2 = ? <br><br> A. 84<br> B. 48<br> C. –84<br> D. –48
Dahasolnce [82]


7 × (-3) ×(-2)2 =

7 × -3 × -4 = (you have to eliminate all parenthesis in the equation.)

7 × -12 = -84

so your answer would be: C

3 0
3 years ago
Read 2 more answers
Bill spent 70 on fertilizer and weed killer for his lawn .Each pound of fertilizer cost 50 cents and each once of weed killer co
meriva

An equation that correctly represent this relationship if x represents the number of pounds of fertilizer and y the number of ounces of weed killer is  0.5x + 3.5y = 70

<u>Solution:</u>

Given that, Bill spent 70 on fertilizer and weed killer for his lawn

Each pound of fertilizer cost 50 cents and each once of weed killer cost 3.50

We have to write an equation, if x represents the number of pounds of fertilizer and y the number of ounces of weed killer.

Now,<em> total amount = amount for fertilizers + amount for weed killers.</em>

Total amount = number of pounds of fertilizers x cost per pound + number of ounces of weed killer x cost per ounce.

\begin{array}{l}{\rightarrow 70=x \times 0.50+y \times 3.50} \\\\ {\rightarrow 0.5 x+3.5 y=70}\end{array}

Hence, the equation is 0.5x + 3.5y = 70

5 0
2 years ago
Need help plz Dont get it
allsm [11]
Yup, that right there is a math.
7 0
3 years ago
Read 2 more answers
Find tan B. AB=17,BC=15 AC= 8
Aneli [31]

Answer:

a is the ans;8/15

Step-by-step explanation:

we have tanb = p/ b

so,by taking reference angle b we get,

p=8 and b= 15.

therefore; tanb=8/15

5 0
3 years ago
the legs of a right triangle have lengths of 28 meters and 21 meters. the hypotenuse has a length of 5x meters. what is the valu
Hitman42 [59]
We have a right triangle with
a = one leg = 28
b = other leg = 21
c = hypotenuse = 5x

use the pythagorean theorem (a^2+b^2 = c^2) and solve for x

a^2+b^2 = c^2
28^2+21^2 = (5x)^2
784+441 = 25x^2
1225 = 25x^2
25x^2 = 1225
(25x^2)/25 = 1225/25
x^2 = 49
sqrt(x^2) = sqrt(49)
|x| = 7
x = 7 or x = -7

Since the hypotenuse has length 5x meters, this means
5x = 5*7 = 35
or
5x = 5(-7) = -35

Toss out the negative length as it makes no sense. 

The only value of x is x = 7

Therefore the final answer is x = 7
6 0
2 years ago
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