### Questions (17)

 60 Brain teaser: How to generate 7 integers with equal probability using a biased coin that has a pr(head) = p? 31 Brain-teaser: What is the expected length of an iid sequence that is monotonically increasing when drawn from a uniform [0,1] distribution? 5 What is the expected length of an iid sequence that is monotonically increasing when drawn from a uniform [0,1] distribution? 4 Econometrics: What are the assumptions of logistic regression for causal inference? 4 Brain teaser: probability of observing a squirrel in an hour is 64%, what's prob(observe >= 1 in half an hour)?

### Reputation (1,252)

 +20 Brain teaser: How to generate 7 integers with equal probability using a biased coin that has a pr(head) = p? +30 Brain-teaser: What is the expected length of an iid sequence that is monotonically increasing when drawn from a uniform [0,1] distribution? +10 Formula for E(MSE) from Recursive Partitioning for Heterogeneous Causal Effects (Athey and Imben 2015) +10 Random forest [R]: why is my OOB RMSE so much smaller than test RMSE?

 1 Does endogeneity matter when neither independent variable nor error term are correlated with dependent variable? 0 What is the difference between sample space and random variable? -1 Card deck shuffling, what is the probability that four lowest card of a suit are distributed to all four players? -1 What is the probability we observe a TT before a HT?

### Tags (57)

 1 econometrics × 3 0 random-variable × 3 1 endogeneity × 2 0 uniform × 2 1 regression × 2 0 logistic × 2 0 hypothesis-testing × 4 0 mathematical-statistics × 2 0 variance × 3 0 distributions × 2

### Bookmarks (1)

 29 How to calculate the prediction interval for an OLS multiple regression?

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