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bluemaster
  • Member for 2 years
  • Last seen more than a month ago
  • Brazil
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Interested in math, statistics and operations research

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2
Confidence intervals with Bootstrap-t vs. Bootstrap-t Variance Stabilized: which works better?
Sep 20, 2023
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15
$x=\sqrt[3]{\sqrt{5}+2}+\sqrt[3]{\sqrt{5}-2}$ is rational or irrational?
11
Find the real roots for $\displaystyle \sqrt[4]{386-x}+\sqrt[4]{x}=6.$
10
If $x_1,x_2,\ldots,x_n$ are the roots for $1+x+x^2+\ldots+x^n=0$, find the value of $\frac{1}{x_1-1}+\frac{1}{x_2-1}+\ldots+\frac{1}{x_n-1}$
10
A fair coin is flipped $100000$ times and you get $100000$ Heads in a row. What is the probability that you get Heads on $100001$th flip?
9
Is the quadratic formula called Bhaskara Formula in any other country beyond Brazil?