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NARA [144]
3 years ago
8

And please show work (answer #4)

Mathematics
1 answer:
algol [13]3 years ago
8 0
Part A.

The building is made up of two rectangular prism.
The left rectangular prism has base 8 ft by 12 ft and height 24 ft.
The right rectangular prism has base 32 ft by 12 ft and height 16 ft.
The volume of a rectangular prism is: V = LWH

For the building, the total volume is:

V = LWH + LWH

V = 8 ft * 12 ft * 24 ft + 32 ft * 12 ft * 16 ft

Part B.

V = 2304 ft^3 + 6144 ft^3

V = 8448 ft^3
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Pani-rosa [81]

Answer:

The calculated t-test = 1.717 < 1.6604 at 0.05 level of significance

Null hypothesis is accepted at 0.05 level of significance

A company has developed a training procedure is significantly improve scores

Step-by-step explanation:

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

Given  sample mean (x⁻ )  = 517

sample standard deviation (s) =90

Mean of the Population (μ) =500

<em>Null Hypothesis :- H₀ :  </em> (μ) =500

Alternative Hypothesis : H₁ :  μ ≠ 500

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

Test statistic

                         t = \frac{x^{-} -mean}{\frac{s}{\sqrt{n} } }

                        t = \frac{517 -500}{\frac{90}{\sqrt{100} } }

                        t  =   1.717

<em>Level of significance</em>

                      ∝ = 0.05

                    t₀.₀₅ = 1.6604

The calculated t-test = 1.717 < 1.6604 at 0.05 level of significance

<u><em>Conclusion</em></u>:-

Null hypothesis is accepted at 0.05 level of significance

A company has developed a training procedure is significantly improve scores

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Step-by-step explanation:

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Step-by-step explanation:

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I'm not sure if the whole thing is correct, but here is the easier way:
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