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guajiro [1.7K]
3 years ago
13

Solve the given proportion. XIN = = 7 49 x = [?] Enter Ar

Mathematics
2 answers:
telo118 [61]3 years ago
6 0
<h3 /><h3>\frac{x}{7}  =  \frac{7}{49}  \\ x =  \frac{7}{49}  \times 7 \\ x =  \frac{49}{49}  \\ x = 1</h3>

<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em>

Andru [333]3 years ago
6 0

Answer:

x = 1

Step-by-step explanation:

\dfrac{x}{7}= \dfrac{7}{49}\\\\\\x  = \dfrac{7}{49}*7\\\\\\x = 1

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The 99% of a confidence interval for the average maximum HP for the experimental engine.

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<u><em>Step:-1</em></u>

Given that the mean of the Population = 540HP

Given that the size of the sample  'n' = 9

Given that the mean of the sample = 570HP

Given that the sample standard deviation = 30HP

<u><em>Step(ii):-</em></u>

<u><em>Degrees of freedom = n-1 =9-1 =8</em></u>

<u><em>t₀.₀₀₅ = 3.3554</em></u>

The 99% of a confidence interval for the average maximum HP for the experimental engine.

(x^{-} - t_{\frac{0.01}{2} ,8} \frac{S.D}{\sqrt{n} } ,x^{2}  + t_{\frac{0.01}{2},8 } \frac{S.D}{\sqrt{n} } )

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<u><em>Final answer</em></u> :-

<em>The 99% of a confidence interval for the average maximum HP for the experimental engine.</em>

<em>(536.46, 603.54)</em>

<em></em>

4 0
3 years ago
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