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Ilia_Sergeevich [38]
3 years ago
7

Help ASAP I’m learning about percents

Mathematics
1 answer:
Nitella [24]3 years ago
7 0

Answer:

a. 50

b. 20

hope this helps

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A trade magazine routinely checks the​ drive-through service times of​ fast-food restaurants. Upper AA 9595​% confidence interva
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One can be 95% confident that the drive-through service times of​ fast-food chain is between 169 seconds and 172 seconds.

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The confidence interval gives a range of value for the population mean or parameter, which is calculated from the statistic value of the data (that is sample statistic). This range gives the interval which is associated with a certain level of confidence for which the interval will contain the true value of the unknown parameter (true value). In the scenario above, the associated confidence level is 95%.Hence, we can be 95% confident that the true value will be continued with the interval (169 ; 172)

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According to the graph, how far did the object move between the second and third seconds?
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What is...a increased by 25%
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Answer:

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Step-by-step explanation:

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_____

<em>Comment on percentages</em>

The symbol "%" is a shorthand way to write "/100", so 25% = 25/100 = 0.25.

Of course, 100/100 = 100% = 1.

Adding 25% of something to 100% of it gives 125% of it, the original amount multiplied by 125/100 = 1.25.

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3 years ago
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