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Alexandra [31]
3 years ago
5

The sampling method where every item in the population has an equal probability of being selected is called:

Mathematics
1 answer:
larisa86 [58]3 years ago
3 0
With 'random sampling' every item in the population has an equal probability of being selected.
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Urgent help please
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Let's assume the frequency of sound be f and wave length is w.

Given that, the frequency of sound varies inversely as the wavelength.

So, we can set up an equation as following:

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