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Yakvenalex [24]
3 years ago
8

Harper completed making 6% of the masks she needed for school. Type a decimal value that is equivalent to 6%.

Mathematics
2 answers:
Maksim231197 [3]3 years ago
6 0

Answer:

0.06

Step-by-step explanation:

60/100ths is equal to 6%

Tanzania [10]3 years ago
5 0
0.06 is the answer I need to type more because it needs to be over 20 digits
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A large on-demand, video streaming company is designing a large-scale survey to determine the mean amount of time corporate exec
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Answer:

554 executives should be surveyed.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1 - 0.95}{2} = 0.025

Now, we have to find z in the Z-table as such z has a p-value of 1 - \alpha.

That is z with a pvalue of 1 - 0.025 = 0.975, so Z = 1.96.

Now, find the margin of error M as such

M = z\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

Standard deviation of 3 hours.

This means that \sigma = 3

The 95% level of confidence is to be used. How many executives should be surveyed?

n executives should be surveyed, and n is found with M = 0.25. So

M = z\frac{\sigma}{\sqrt{n}}

0.25 = 1.96\frac{3}{\sqrt{n}}

0.25\sqrt{n} = 1.96*3

\sqrt{n} = \frac{1.96*3}{0.25}

(\sqrt{n})^2 = (\frac{1.96*3}{0.25})^2

n = 553.2

Rounding up:

554 executives should be surveyed.

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Step-by-step explanation:

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arsen [322]
283 rounded to the nearest ten is 280
When rounding to the nearest ten look at the number to the right of the place you are rounding. In this case it is the 3. If the number is 5 or higher you go up to the nearest ten. If the number is lower than 5 like it is in this number you round down to the nearest ten.
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Step-by-step explanation:

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