57 lines
1.2 KiB
Markdown
57 lines
1.2 KiB
Markdown
---
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id: 5900f4f21000cf542c510004
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challengeType: 5
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title: 'Problem 389: Platonic Dice'
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---
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## Description
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<section id='description'>
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An unbiased single 4-sided die is thrown and its value, T, is noted.T unbiased 6-sided dice are thrown and their scores are added together. The sum, C, is noted.C unbiased 8-sided dice are thrown and their scores are added together. The sum, O, is noted.O unbiased 12-sided dice are thrown and their scores are added together. The sum, D, is noted.D unbiased 20-sided dice are thrown and their scores are added together. The sum, I, is noted.
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Find the variance of I, and give your answer rounded to 4 decimal places.
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</section>
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## Instructions
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<section id='instructions'>
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: <code>euler389()</code> should return 2406376.3623.
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testString: assert.strictEqual(euler389(), 2406376.3623, '<code>euler389()</code> should return 2406376.3623.');
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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function euler389() {
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// Good luck!
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return true;
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}
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euler389();
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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</section>
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