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Zina [86]
3 years ago
14

By hw much is the difference of 604 and 406.64 less than thier sum ?

Mathematics
2 answers:
Vera_Pavlovna [14]3 years ago
5 0
604+406,64=1010,64 \ \ \ \  \ \ \ \rightarrow their \ sum \\
604-406,64=197,36 \ \ \ \ \ \ \ \ \  \rightarrow their \ difference \\
1010,64-197.36=\boxed{813,28} \ \ \ \ \ \ \ \ \leftarrow ANSWER
Hunter-Best [27]3 years ago
4 0
604+406.64=1010.64
604-406.64=197.36
1010.64-197.36=813.28

813.28 is the difference
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Answer:

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Step-by-step explanation:

From the question we are told that

    The population mean is  \mu  =  47.2 miles/gallon(MPG)

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      The level of significance is  \alpha  =  0.02

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The  Null Hypothesis is  

        H_o  :  \mu = 47.2

The alternative Hypothesis  is  

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The test statistics can be mathematically evaluated as  

        t  =  \frac{\= x- \mu}{\frac{\sigma }{\sqrt{n} } }

substituting values

        t  =  \frac{\= 47- 47.2}{\frac{1.9 }{\sqrt{250} } }

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