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Morgarella [4.7K]
2 years ago
7

What is a cluster sample?

Mathematics
1 answer:
fgiga [73]2 years ago
4 0
This is a sampling technique used when natural groupings are evident in a statistical population. It is often used in marketing research.
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A football stadium contain 80% of its full capacity of spectators for a grand final match. At the end of the game, spectators le
nekit [7.7K]

Answer:

A. 30000

B. 12000

Step-by-step explanation:

Find out how much spectators leave in 1 minute.

1 second = 5

1 minute = 5 x 60 = 300 (60 seconds)

20 minutes = 300 x 20 = 6000

Since there were only 80% of the full capacity of spectators and after minutes it became 60%...

80% - 60% = 20%

20% = 6000

1% = 6000 ÷ 20 = 300

100% = 300 x 100 = 30000

1 minute = 300 spectators leaving

1 hour = 300 x 60 = 18000 (60 minutes)

30000 - 18000 = 12000

8 0
3 years ago
Select the correct answer. What is the opposite of ? A. B. C. D. E.
Helga [31]

Answer: what are the options?

Step-by-step explanation:

7 0
2 years ago
Find an angle between 0° and 360° that is coterminal with the given angle
mezya [45]
Add or subtract 360 degrees to find a coterminous angle. Since the questions wants you to find one between 0-360, you should subtract 360.
453-360=93 degrees
5 0
2 years ago
Find the area. <br><br> A. 188 in.2<br> B. 278 in.2<br> C. 322 in.2<br> D. 250.5 in.2
agasfer [191]
A 188 inches .2 Because you have to run them all to the nearest five
8 0
3 years ago
Fam what is 25 x 25 please help me fam needd the answer ASAP!
Vlada [557]

Answer:

it is 625

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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