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3 years ago

Please help me I need this ASAP (5.6) times 1/8

Mathematics

1 answer:

Triss [41]3 years ago

3 0

Answer:

7/10 or 0.7

Step-by-step explanation:

The first step that you need to do is to convert 5.6 to a fraction. 5.6 can be rewritten as $\frac{56}{10}$ , which is equal to $\frac{28}{5}$ .To multiply two fractions together, you simply need to multiply together the numerators and then the denominators. $\frac{28}{5}\cdot\frac{1}{8}=\frac{28}{40}=\frac{7}{10}=0.7$ . Hope this helps!

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The correct option is;

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Step-by-step explanation:

Here we have the formula for the confidence interval of the difference of two means where the population standard deviation is unknown based on the sample mean and sample standard deviation is given as follows;

$\left (\bar{x}_{1}- \bar{x}_{2} \right )\pm t_{\alpha /2}\sqrt{\frac{s_{1}^{2}}{n_{1}}+\frac{s_{2}^{2}}{n_{2}}}$

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Therefore, plugging in the values, we have;

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