# Hey Jeff help me out?

**URL:** <https://forums.yoyoexpert.com/t/hey-jeff-help-me-out/298012>\
**Category:** Jeffrey Pang\
**Created:** [January 26, 2019, 3:24am UTC](https://forums.yoyoexpert.com/t/hey-jeff-help-me-out/298012 "2019-01-26T03:24:55Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Aragorn](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/aragorn/32/41679_2.png) [@Aragorn](https://forums.yoyoexpert.com/u/Aragorn)\
**Post date:** [January 26, 2019, 3:24am UTC](https://forums.yoyoexpert.com/t/hey-jeff-help-me-out/298012/1 "2019-01-26T03:24:55Z")

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Jeffrey you seem like a smart guy so please help me on my quantum mechanics homework. Thanks!

Calculate by explicitly evaluating the expression for the probability that a particle in a box in the n = 4 state will be found between x = 0 and x = L/4. Show your work. Now, sketch a graph of the corresponding probability density showing that this value can be expected from the symmetry of the wavefunction.A

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**Author:** ![jeffreypang911](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/jeffreypang911/32/192496_2.png) [@jeffreypang911](https://forums.yoyoexpert.com/u/jeffreypang911)\
**Post date:** [January 27, 2019, 6:45pm UTC](https://forums.yoyoexpert.com/t/hey-jeff-help-me-out/298012/2 "2019-01-27T18:45:20Z")

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Im pretty sure the answer to life the universe and everything is 42.

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**Author:** ![yofanatic05](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/yofanatic05/32/35770_2.png) [@yofanatic05](https://forums.yoyoexpert.com/u/yofanatic05)\
**Post date:** [January 27, 2019, 7:05pm UTC](https://forums.yoyoexpert.com/t/hey-jeff-help-me-out/298012/3 "2019-01-27T19:05:54Z")

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I wish I could like this post multiple times! Those books are the best!!

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**Author:** ![eternalmetal](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/eternalmetal/32/44877_2.png) [@eternalmetal](https://forums.yoyoexpert.com/u/eternalmetal)\
**Post date:** [January 27, 2019, 7:23pm UTC](https://forums.yoyoexpert.com/t/hey-jeff-help-me-out/298012/4 "2019-01-27T19:23:09Z")

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Listen to the original BBC broadcast. Even better than the books.

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**Author:** ![Marm](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/marm/32/46204_2.png) [@Marm](https://forums.yoyoexpert.com/u/Marm)\
**Post date:** [January 27, 2019, 7:36pm UTC](https://forums.yoyoexpert.com/t/hey-jeff-help-me-out/298012/5 "2019-01-27T19:36:40Z")

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Shoot