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Marysya12 [62]
3 years ago
12

Someone plz help I already know the answer put how can I put the diagram can you guys help me can u put the picture how u did it

plz giving brainliest

Mathematics
1 answer:
Oliga [24]3 years ago
8 0

Answer:

therws this random chart from the internet, I think that's what they want, but not sure

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A train travels 150 miles in 3 hours. At this same rate, how many miles will it travel in 8 hours?
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Answer:

400

Step-by-step explanation:

you divided 150 by 3 which is 50 then multiply that by 8 which will give you answer

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Answer the questions about these triangles. Which is thr measure of Angle A? Which angle corresponds to Angle A. What can be con
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Step-by-step explanation:

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What’s the area of a square the side is 7x-3
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Area of a square = Side × Side

Side = 7x-3

Area of the square = (7x-3) × (7x-3)

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2 years ago
The manufacturer of an airport baggage scanning machine claims it can handle an average of 560 bags per hour. (a-1) At α = .05 i
ioda

Answer:

The calculated value t = 1.76 < 2.131 at 0.05 level of significance

Null hypothesis is accepted

The manufacturer’s claim is greater than 560 bags per hour

Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given sample size 'n' =16

Given the manufacturer of an airport baggage scanning machine claims it can handle an average of 560 bags per hour.

mean of the Population 'μ' = 560

Mean of the sample Χ⁻ = 538

sample standard deviation' S' = 50

<em><u>Null hypothesis</u></em><em>:H₀:μ > 560</em>

<em><u>Alternative Hypothesis</u></em><em>:H₁ : :μ < 560 (left tailed test)</em>

<em>Test statistic</em>

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

  t = \frac{538-560 }{\frac{50}{\sqrt{16} } } = -1.76

|t| = |-1.76| = 1.76

<em>Degrees of freedom </em>

<em>γ = n-1 =16-1 =15</em>

t_{\frac{\alpha }{2} } = t_{\frac{0.05}{2} } =t_{0.025} =2.131

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

The calculated value t = 1.76 < 2.131 at 0.05 level of significance

Null hypothesis is accepted

The manufacturer’s claim is greater than 560 bags per hour

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