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Alex17521 [72]
4 years ago
11

Identify which type of sampling is​ used: random,​ systematic, convenience,​ stratified, or cluster. To determine customer opini

on of their pricing​, Greyhound Lines randomly selects 120 busses during a certain week and surveys all passengers on the busses.
Mathematics
1 answer:
Vanyuwa [196]4 years ago
4 0

Answer: Cluster Sampling

Step-by-step explanation:

In cluster sampling, researcher divides the population into groups ,which are called clusters. Then random sample of clusters are chosen ,and researcher conduct study to collect data about the population.

Here each bus is considered a cluster ,because busses are selected at random ,this sampling would be an example of cluster type of sampling.

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Estimate each of the following using general rule:<br> a) 4345 + 6784<br> b) 6947 x 378
alexira [117]

Answer:

a) 11,129

b) 2,625,966

I think that the answer

7 0
3 years ago
I'll give you brainliest if answered correctly!!<br><br> In the Giver book, What was Jonas's dream?
Savatey [412]

Answer:

His dream was that he wanted to bath his friend fiona

Step-by-step explanation:

4 0
4 years ago
mr.mcbride asks students to find the volume of the triangular pyramid below. which student wrote the correct expression for the
Black_prince [1.1K]

<u>Given</u>:

Given that the height of the pyramid is 20 inches.

The sides of the triangle are 9 in, 12 in and 15 in.

The expression for the area of the base written by JO is \frac{1}{2}(9 \cdot 15)

The expression for the area of the base written by MAE is \frac{1}{2}(9 \cdot 12)

We need to determine the correct expression for the area of the base written by the student.

<u>Expression for the area of the base:</u>

The area of the base of the triangular prism can be determined using the formula,

B=\frac{1}{2}bh

where b is the base of the triangle and h is the height of the triangle.

From the figure, the base of the triangle is 9 inches and the height of the triangle is 12 inches.

Substituting in the above formula, we get;

B=\frac{1}{2}(9 \cdot 12)

Thus, the correct expression for the area of the base is B=\frac{1}{2}(9 \cdot 12)

Hence, the expression wrote by MAE is correct.

8 0
3 years ago
-3(3 - 10x) please help, distributive property.
jenyasd209 [6]

Answer:

-9 +30x

Step-by-step explanation:

-3(3) = -9

-3(-10x) = 30x

-9 +30x

Hope that helps

5 0
3 years ago
Moses purchased running shoes for $36.81. Grant purchased running shoes for $36.18. Write a paragraph explaining
DochEvi [55]

Answer: grant got a better deal on the shoes because he paid 63 cents less. And whoever sold Moses the shoes most likely sold the same shoes to grant but for a lower price for whatever reason. Maybe they don't like Moses. But the only way to now is if the shoes are the same but shoe size they probably were different sized shoes.

So after the two shoes have been compared you will have your answer. If they are the same then we're the people who sold the shoes to the same person. if so they have to ask the person who sold the shoes why? And if they don't have an answer Moses should report them to the manager or get a refund on the shoes. And if that doesn't work Moses should start shopping for shoes at a new store.

But Moses should try to convince Gant to help him investagate this problem. And if they can find something they can put together a whole case and give it to the police. And wait for the police's ideas or approcah for this case. And try to put the whole case to rest like it never happened after they are done. And just try to get 63 cents back.

 

Step-by-step explanation: I hope this help's it took me forever

5 0
3 years ago
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