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3 years ago

What is the percent error

Mathematics

2 answers:

RideAnS [48]3 years ago

8 0

When you don't use or write the percent right.<span />

AURORKA [14]3 years ago

6 0

When you calculate results that are aiming for known values, the percent error formula is useful tool for determining the precision of your calculations. The formula is given by: The experimental value is your calculated value, and the theoretical value is your known value.

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Anika [276]

Answer:

Step-by-step explanation:

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3 years ago

Write an equivalent expression.

meriva

Answer:

6x-7

Step-by-step explanation:

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3 years ago

A research firm conducts a sample survey and discovers that 90% of people are more afraid of snakes than they are of flying. If

nikitadnepr [17]

Answer:

Different values of margin of error for different significance level.

Step-by-step explanation:

We are given the following in the question:

p = 90% = 0.9

Sample size, n 790

We have to find the margin of error.

Formula:

$z_{stat}\sqrt{\dfrac{p(1-p)}{n}}$

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

Putting values, we get,

$ME = \pm 1.96\sqrt{\dfrac{0.9(1-0.9)}{790}}\\\\ME = \pm 0.021$

$z_{critical}\text{ at}~\alpha_{0.10} = 1.64$

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$z_{critical}\text{ at}~\alpha_{0.10} = 2.58$

$ME =\pm 2.58\sqrt{\dfrac{0.9(1-0.9)}{790}}\\\\ME =\pm 0.028$

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3 years ago

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Mariana [72]

Answer:

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