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1 year ago

Convert 5 3/4 to a decimal round to the nearest tenth

Mathematics

2 answers:

matrenka [14]1 year ago

6 0

Answer: 5.75

Step-by-step explanation:

3/4=.75 then add the 5

Serga [27]1 year ago

3 0

3/4 as a decimal is 0.75
Therefore 5+0.75
=5.75
7 is in the tenth place and the number beside it determines if we should round up or down.If the number in the hundredth place is 5 or more you round and if it is less you round down.In this case you would round up therefore the answer is 5.8

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1 year ago

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Answer:

Step-by-step explanation:

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There is a relationship between confidence interval and standard deviation:
$\theta=\overline{x} \pm \frac{z\sigma}{\sqrt{n}}$
Where $\overline{x}$ is the mean, $\sigma$ is standard deviation, and n is number of data points.
Every confidence interval has associated z value. This can be found online.
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Now we can find confidence intervals:
$($90\%,z=1.645): \theta=123.8 \pm \frac{1.645\cdot 11.84}{\sqrt{15}}=123.8 \pm5.0\\($95\%,z=1.960): \theta=123.8 \pm \frac{1.960\cdot 11.84}{\sqrt{15}}=123.8 \pm 5.99\\ ($99\%,z=2.576): \theta=123.8 \pm \frac{2.576\cdot 11.84}{\sqrt{15}}=123.8 \pm 7.87\\$
We can see that as confidence interval increases so does the error margin. Z values accociated with each confidence intreval also get bigger as confidence interval increases.
Here is the link to the spreadsheet with standard deviation calculation:
https://docs.google.com/spreadsheets/d/1pnsJIrM_lmQKAGRJvduiHzjg9mYvLgpsCqCoGYvR5Us/edit?usp=sharing

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1 year ago

Convert 5 3/4 to a decimal round to the nearest tenth​

Convert 5 3/4 to a decimal round to the nearest tenth