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lawyer [7]
2 years ago
8

A smart phone manufacturer wants to determine the average battery time that it’s new smart phone will get. The manufacturer will

test 100 smart phones. Match the strategy to their corresponding sampling techniques
Mathematics
1 answer:
sasho [114]2 years ago
7 0

Answer:

Note: <em>The full question is attached as picture below</em>

<em />

1. The manufacturer is taking a sample of her friends, which is most convenient to sample - Convenience sampling

2. The whole population is divided into different groups (strata) and random samples are drawn from each group - Stratified sampling

3. The population is divided into different clusters (here, communities) and whole clusters are surveyed - Cluster sampling

4. The samples are drawn at a fixed interval from the population list - Systematic sampling

5. The samples are randomly drawn from the population - Simple random sampling

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What would be the expression after distributing, 3(x+4)?
boyakko [2]

Answer:

3x+12

Step-by-step explanation:

You need to do 3 times x which equals 3x and then do 3 times 4 and get 12 so it ends up as 3x+12

hope this helps

stay safe:)))

brainliest is appreciated

this person keeps copying and reporting my questions and then saying i copied them so im sorry if that happens :(

4 0
3 years ago
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Find the 79th term of the following arithmetic sequence. 5,11, 17, 23...
NikAS [45]

Answer:

the answer is 479.

Step-by-step explanation:

to make it simpler, pretend you start from 1. 1,7,so on. multiply six by 79, to get 474. but because you are starting from 5 and not 1, you have to add 5 on.

sorry im super bad at math so this might be wrong

4 0
2 years ago
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In a right triangular prism, the area of the triangular base is 50 square feet. The height of the prism is 12 feet. What is the
weeeeeb [17]

Answer: 600 ft.

Step-by-step explanation:

The height is 12, and the base is 50. So V=ABh=50·12=600ft³, just plug in the numbers.

6 0
2 years ago
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Put them in order from least to greatest:<br> 8.85 8.9 8.948 8.826 8.97 8.866
Ray Of Light [21]

Answer: 8.826, 8.85, 8.866, 8.9, 8.948, 8.97

Step-by-step explanation:

7 0
2 years ago
The age of a father is three times that of his son. In ten year's time their ages will add up to 68 years. If the son is x years
Elodia [21]

Answer:

46 and 22

Step-by-step explanation:

let the father b (f) and d son is (s)

so

f=3s.....(1)

(f+10) +(s+10)=68 .... (2)

substitute f=3s in equation (2)

we have

(3s+10)+(s+10)=68

4s+20=68

4s=68-20

4s=48

s=12 .......(3)

substitute (3) in (1)

f=3*12

which f=36

in 10 year time

f+10 =46

s+10=22

3 0
1 year ago
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