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3 years ago

Four balls of wool make 8 knitted caps how much many balls of wool will Malcom

Mathematics

1 answer:

liraira [26]3 years ago

7 0

First write down what you know:

- 4 balls of wool = 8 caps

Next, try to set up an equation.

4 balls of wool / 8 caps = x number of wool balls per cap

Then solve,

4/8 = 1/2

So you need 1/2 of a ball of wool to make 1 cap.

Then you multiply 1/2 by 6 to get 3.

<u><em>You will need 3 balls to make 6 caps. </em></u>

Hope this helps! Have a good day/night! c:

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Answer:

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Z-score:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the z-score of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

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This means that $X = 80, \mu = 77, \sigma = 4.9$

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