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Leto [7]
3 years ago
7

Lana has 3 bags with the same amount of marbles in them, totaling 12 marbles. Markus has 3 bags with the same amount of marbles

in them, totaling 18 marbles. How many more marbles does Markus have in each bag?
Mathematics
1 answer:
Julli [10]3 years ago
5 0

Answer:

Markus has 6 marbles in each bag.

Step-by-step explanation:

Markus has 18 marbles and 3 bags

If you divide 18 marbles by 3 bags that would be 6 marbles in each bag.

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Answer:

\mu = 47.17

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Step-by-step explanation:

Solving (a): The population mean

This is calculated as:

\mu = \frac{\sum x}{n}

So, we have:

\mu = \frac{48.2+ 47.8 +45.6 +47.2 +49.3+51.2 +44.2 +45.4 +49.2 +43.6}{10}

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Solving (b): The population standard deviation

This is calculated as:

\sigma = \sqrt{\frac{\sum (x - \mu)^2}{n}}

So, we have:

\sigma = \sqrt{\frac{(48.2-47.17)^2 + (47.8-47.17)^2 +.........+(43.6-47.17)^2}{10}}

\sigma = \sqrt{\frac{53.521}{10}}

\sigma = \sqrt{5.3521

\sigma = 2.31

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