Can someone please answer this and also PROVIDE AN EXPLANATION

Mathematics

2 answers:

a_sh-v [17]3 years ago

8 0

Answer:ccccccccccccccccccccccccccccccc

Step-by-step explanation:

Stella [2.4K]3 years ago

6 0

We need to find the triangular pyramid formula which is 1/3*B*H
The base is always the bottom or foundation. To find this we need the area of the triangle at the bottom.
It is 8*6/2 or base times height divided by 2
We would get 24
This is our B value. Now height is 4 in they give us this.
Plug it in 24*4/3
We get 32 inches

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ehidna [41]

I'm pretty sure the answer is A. hope that helped

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3 years ago

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The confidence interval based on the two-sample design is wider because there is considerable variation in mileage between the c

vovikov84 [41]

Answer:

The confidence interval based on the paired design is wider because there is little variation in mileage between the cars.

Step-by-step explanation:

The sample size randomly collected is matched sample and since the confidence interval is based on the paired design is large and wide. There is small variation between the mileage of the two cars indicating the cars have mileage based on the fuel.

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3 years ago

A hotel has 30 floors with 40 rooms per floor. The rooms on one side of the hotel face the water, while rooms on the other side

Ket [755]

A) Choosing a stratified random sample might be preferable to an SRS because;

Stratified random sampling would divide the population into stratas but the

SRS would not do so. The strata would be the type of room namely those

with water view and those with golf view.

B) The reason why a cluster sample would be a simpler option is because;

It will divide the population into multiple clusters that makes it easier to

work with unlike the SRS that generalizes. The clusters would be each of

the 30 floors.

We are told that the manager wanted to select 120 rooms and carry out a survey on each registered guest by asking how satisfied they were with the hotel. He decided to use a sampling method called SRS which means Simple Random Sampling.

Simple random sampling is defined as a sampling method where individuals or objects are selected randomly from a population thereby given each person or object an equal chance of selection.

A) Stratified Random sampling is a method of sampling that divides the population into smaller groups known as objects/stata. In this case Stratified random sampling would be preferred to SRS because the hotel rooms are divided into two types namely those that can view the water and those that can view the golf course and as such the Stratified random sampling would divide the population but the SRS would not do so.

B) Cluster sampling is when the population is divided into multiple groups known for assessment. The reason why it would be a simpler option is because there are 30 floors and they can be classified as clusters and surveyed per floor.

Read more at; brainly.com/question/15932504

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3 years ago

Yuvia works in a computer store, where she earns a commission of 8 percent of her sales. On Monday, her sales were $2,500. She c

tankabanditka [31]

(2,500)(0.08) = 200

On Monday, Yuvia made $200 on commission.

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3 years ago

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Can you help me pls 2

uysha [10]