3 years ago

3 4 5 5 (1,-1)? -17 2t -37 -44 (x + 4.7 - 5 -5 What does y-5 represent

Mathematics

1 answer:

tresset_1 [31]3 years ago

7 0

Answer:

Please,I don't get your question & kindly be specific

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a_sh-v [17]

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Step-by-step explanation:

If X = random variable

then, the standard deviation of the sampling distribution of X = $\dfrac{\sigma}{\sqrt{n}}$

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The standard deviation of the sampling distribution of X = $\dfrac{1.2}{\sqrt{6}}=0.4899$

B. Let n be the sample size,

$0.325=\dfrac{1.2}{\sqrt{n}}\\\\\Rightarrow\ \sqrt{n}=\dfrac{1.2}{0.325}\\\\\Rightarrow\ \sqrt{n}=3.69230769231\\\\\Rightarrow\ n= (3.69230769231)^2=13.6331360947\approx 14$

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3 years ago