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3 years ago

PLEASE HELP ME PLEASE

Mathematics

2 answers:

Rama09 [41]3 years ago

5 0

Answer: Your answer will be 1/2

Olenka [21]3 years ago

4 0

Answer:

Step-by-step explanation:

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LCM = 20, GCF = 9

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AYUDAAA ES PARA HOY.!! :)

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200 paradise

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3 years ago

Independent compound event definition

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Rus_ich [418]

<h2>Answer with explanation:</h2>

Let $\mu$ be the population mean strain in a way that conveys information about precision and reliability.

The sample mean is the best point estimate of the true population mean .

As per given , we have

Sample size : n= 12

degree of freedom : $df=12-1=11$

Sample mean : $\overline{x}=25.0$

The true average strain in a way that conveys information about precision and reliability= 25.0

sample standard deviation : s= 3.3

Significance level : $\alpha= 0.05$

Since sample population standard deviation is unknown , so we use t-test.

Critical t-value for t : $t_{\alpha/2, df}=t_{0.025, 11}=2.201$

95% Confidence interval for true average strain in a way that conveys information about precision and reliability:

$\overline{x}\pm t_{\alpha/2, df}\dfrac{s}{\sqrt{n}}$

$25.0\pm (2.201)\dfrac{3.3}{\sqrt{12}}\\\\=\approx 25.0\pm2.10\\\\=(25.0-2.10, 25.0+2.10)=(22.9,\ 27.1)$

The 95% Confidence interval for true average strain in a way that conveys information about precision and reliability: $(22.9,\ 27.1)$

We 95% confident that the true population average strain in a way that conveys information about precision and reliability lies between 22.9 and 27.1 .

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4 years ago

What is the true solution to 2 In 4x= 2 In 8?

vladimir2022 [97]

Answer:

Step-by-step explanation:

$ln4x = 2 ln8 \div 2 \\ ln4x = ln4 \\ x = 1$

Hope it helps you...☺

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