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zhuklara [117]
3 years ago
12

Write -33/12 as a mixed number in reduced form.

Mathematics
2 answers:
Alina [70]3 years ago
8 0
-33\12=
-33 divided by 12 =-2.75
as a mixed number it's -2 9\12
777dan777 [17]3 years ago
6 0
-33/12 
Divide both by greatest common factor which is 3
(-33÷3)/(12÷3)=-11/4
Thus, the mixed number answer is 0  -11/4
0 at the center between -11 and 4. 


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Answer:

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<em>               </em>t = \frac{x^{-} -mean}{\frac{S}{\sqrt{n} } }  

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Step-by-step explanation:

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

Given Mean of the Population (μ) = 8.0

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Given data

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<em>Null hypothesis : H:  (μ) = 8.0</em>

<em>Alternative Hypothesis :H:(μ) > 8.0</em>

<em>Degrees of freedom = n-1 = 8-1=7</em>

<em>Test statistic </em>

<em>               </em>t = \frac{x^{-} -mean}{\frac{S}{\sqrt{n} } }<em></em>

<em>              </em>t = \frac{8.25 -8.0}{\frac{0.661}{\sqrt{8} } }<em></em>

<em>            t =  1.076</em>

<em>Critical value </em>

<em>                    t₍₇,₀.₀₅₎   = 2.3646</em>

<em>The calculated value   t =  1.076 < 2.3646 at 0.05 level of significance</em>

<em>Null hypothesis is accepted</em>

<em>Test the hypothesis that the true mean quiz score is 8.0 against the alternative that it is not greater than 8.0</em>

<em></em>

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