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3 years ago

I’m offering 29 points!!!!!!!! AQRS = ATUV Name the angle or side that corresponds to the given part for the question.

Mathematics

1 answer:

ipn [44]3 years ago

8 0

A, C and D because the angles are named in order. Q=T R=U and so on

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Answer:

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Step-by-step explanation:

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3 years ago

A train is traveling at a constant speed. The table shows the distance the train travels at different times during the trip. How

SpyIntel [72]

The train is traveling at 165 mph

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3 years ago

Jason paints 1/4 of the area of his living room walls,w,on Monday. On Tuesday, he paints twice as much as he painted on Monday.

zepelin [54]

1 - (1/4 + 2*1/4)
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3 years ago

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Vedmedyk [2.9K]

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3 years ago

A simple random sample of size nequals40 is drawn from a population. The sample mean is found to be 103.9, and the sample stand

yan [13]

Answer:

There is enough evidence to support the claim that the population mean is greater than 100

Step-by-step explanation:

Step 1: We state the hypothesis and identify the claim

$H_0:\mu=100$ and $H_1:\mu \:>\:100$ (claim)

Step 2: Calculate the test value.

$t=\frac{\bar X-\mu}{\frac{s}{\sqrt{n} } }$

$\implies t=\frac{103.9-100}{\frac{21.9}{\sqrt{40} } }=1.1263$

Step 3: Find the P-value. The p-value obtained from a calculator is using d.f=39 and test-value 1.126 is 0.134

Step 4: We fail to reject the null hypothesis since P-value is greater that the alpha level. (0.134>0.05).

Step 5: There is enough evidence to support the claim that the population mean is greater than 100.

Alternatively: We could also calculate the critical value to obtain +1.685 for $\alpha=0.05$ and d.f=39 and compare to the test-value:

The critical value (1.685>1.126) falls in the non-rejection region. See attachment.

NB: The t- distribution must be used because the population standard deviation is not known.

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3 years ago