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 Oct 24 comment 3 contestants choosing a smallest number to win a car @Aretino I assume no. if they are, then they should sign a contract and throw a dice, the person with highest number gets to pick 1, giving each person 1/3 of chance of winning. Oct 24 comment 3 contestants choosing a smallest number to win a car @Aretino in which case, if the other two play 1 or 2 with probability 1/2. everyone still have 1/4 chance of winning. If everyone think like that, no body wins. Oct 24 comment 3 contestants choosing a smallest number to win a car @JohnDouma i meant you just choose an integer. Oct 23 comment Hölder type of inequality? This is what I was in the process of typing out, except I think the top line should be $F(W_t)-F(0)$? Oct 23 comment Hölder type of inequality? I am confused, do you mean $f''(z)$? Oct 23 comment Calculate the MLE for a parameter 𝜆 why are people upvoting this question? the questioner made no effort what so ever. Oct 23 comment Calculate the MLE for a parameter 𝜆 @sara.t do you even know what you asked? Oct 23 comment Calculate the MLE for a parameter 𝜆 Nope, you do not mean cumulative density function. I am sure. Oct 23 comment Losing less than $100 in a game of chance. what do you mean you tried to take$P(X_n\geq -100)$.? Chebyshev, Markov inequality? Oct 23 comment standardised random variable least square regression$X$against$Y$,$Y$against$X$@calculus regression minimises the total squared distance between realisations of$X$and$Y$to and the regression line, which goes through the origin in this case. I could have posed the question as I have a bunch of points$x_i$and$y_i$such that they have mean 0 and variance 1, the question would have still made sense. Oct 23 comment standardised random variable least square regression$X$against$Y$,$Y$against$X$@NormalHuman that is a helpful comment. Oct 7 comment minimum number of times to change tyres. To be honest, I do not even know how to prove the above solution is optimal. I cannot find any better solution does not constitute a proof! Oct 5 comment Holder continuity constant and dervative. I also know my fn are monotonically decreasing. Somehow my set of conditions allows to prove something, but it is hard to write down all of them Oct 5 comment Holder continuity constant and dervative. no, i have proved it before, but i forgot how it was done now... Oct 5 comment Holder continuity constant and dervative. Yes, also i know the derivatives of fn are bounded. I know f has derivatives everywhere except at one point, where it still admits left and right derivative, but not sure if they agree. Also fn and f are all convex. Oct 3 comment If$f$is continuously differentiable in$[a,b]$,$f(a)=f(b)$, and$f'(a)=f'(b)$, then there exist$a 100% Total? Well, yeah, I agree with you. This is a bit stupid and misleading.