chebyshev's inequality. Please help

[Swarna1214]

 

[Deleted member 4993]

View attachment 20930

Please show us what you have tried and exactly where you are stuck.​

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Please follow the rules of posting in this forum, as enunciated at:​

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https://www.freemathhelp.com/forum/threads/read-before-posting.109846/#post-486520​

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Please share your work/thoughts about this problem.​

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[HallsofIvy]

Exactly what is Chebyshev's inequality? Can you state it?