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3 years ago

Plz help ill give BRAINLIEST it for a test fast plz

Mathematics

2 answers:

Artemon [7]3 years ago

6 0

Answer:

i believe it is C 7,24,25

Step-by-step explanation:

good luck

Eduardwww [97]3 years ago

4 0

The answer is a.3,4,5

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Answer:

B. No

$Cos \ \theta\neq Cos (90-\theta)\textdegree$

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- $\theta$ is usually one of the acute angles and is equivalent to 90º minus it's complimentary acute angle.

-Complimentary angles add up to 90º.

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$Sin \ \theta=Cos \ (90-\theta)\textdegree\\\\Cos \ \theta=Sin(90-\theta)\textdegree\\\\\therefore Cos \ \theta\neq Cos (90-\theta)\textdegree$

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If the sampled population has a mean of 48 and standard deviation of 16, then the mean and the standard deviation for the sampli

Step2247 [10]

Answer:

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Step-by-step explanation:

If we assume that $\bar X$ to be the random variable that proceed the normal distribution with mean $\mu$ and a standard deviation $\dfrac{\sigma }{\sqrt{n}}$

Given that:

mean =48

standard deviation = 16

sample size = 16

The population mean is same as the population mean in sampling distribution that is 48.

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standard deviation = $\dfrac{\sigma }{\sqrt{n}}$

standard deviation = $\dfrac{16 }{\sqrt{16}}$

standard deviation = $\frac{16}{4}$

standard deviation = 4

Thus; the mean and the standard deviation of the sampling distribution is 48 and 4

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