\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Let \(X\) be a random variable with mean \(\mu=30\) and variance \(V(X)=9\).
Use the Bienaymé--Tchebychev inequality to bound the probability that \(X\) is outside the interval \([25,35]\).
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