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3 years ago

When functions are defined by more than one equation, they are called?

Mathematics

2 answers:

BARSIC [14]3 years ago

7 0

When functions are defined by more then one equation, they are called piecewise defined functions

Zarrin [17]3 years ago

3 0

When functions are defined by more than one equation, they are called <span>piecewise defined</span> functions

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2 years ago

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ivanzaharov [21]

Answer:

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So the answer for this case would be n=94 rounded up to the nearest integer

Step-by-step explanation:

Information given

$\bar X$ represent the sample mean

$\mu$ population mean (variable of interest)

$\sigma= 500$ represent the population standard deviation

n represent the sample size

Solution to the problem

The margin of error is given by this formula:

$ME=z_{\alpha/2}\frac{s}{\sqrt{n}}$ (a)

And on this case we have that ME =120 and we are interested in order to find the value of n, if we solve n from equation (a) we got:

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$n=(\frac{2.326(500)}{120})^2 =93.928 \approx 94$

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2 years ago

When functions are defined by more than one​ equation, they are called?

When functions are defined by more than one equation, they are called?