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2 years ago

What is 10 2/1 divided by 2 1/4

Mathematics

2 answers:

stepladder [879]2 years ago

6 0

Answer:

5.3 but the three is repeated

Step-by-step explanation:

stealth61 [152]2 years ago

6 0

Answer:

$10 \frac{2}{1} \div 2 \frac{1}{4 } = \frac{48}{9}$

Penjelasan

$10 \frac{2}{1} = \frac{12}{1}$

$2 \frac{1}{4} = \frac{9}{4}$

$\frac{12}{1} \div \frac{9}{4} = \frac{12}{1} \times \frac{4}{9} = \frac{48}{9}$

Then the answer is 48/9

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a. Assume that the population has a normal distribution.

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Step-by-step explanation:

Question a:

We have to assume normality.

Question b:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1 - 0.9}{2} = 0.05$

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