Easy Random Variables Interview Questions
Working a topic at its easiest level first is how you find out whether the gap is the concept or the speed. These are the random variables questions to start on.
41 questions, all free to practise.
- A one-sided percentile cutoffEasyRandom VariablesStatisticsView →
- A tail of a sum of normalsEasyRandom VariablesStatisticsView →
- A two-sigma tail probabilityEasyRandom VariablesStatisticsView →
- All three land in the same halfEasyProbabilityRandom VariablesView →
- Average distance on an intervalEasyRandom VariablesView →
- Backing out the correlation from portfolio riskEasyRandom VariablesStatisticsView →
- Beating a product of uniformsEasyProbabilityRandom VariablesView →
- Beating three othersEasyProbabilityRandom VariablesView →
- Capped exponential payoutEasyRandom VariablesExpected ValueView →
- Coin count past two sigmaEasyRandom VariablesStatisticsView →
- Color switches in a drawEasyRandom VariablesExpected ValueView →
- Conditioning a uniform waitEasyProbabilityRandom VariablesView →
- Correlation from a summed varianceEasyRandom VariablesStatisticsView →
- Correlation under rescalingEasyRandom VariablesStatisticsView →
- Covariance of a chi-square and a ratioEasyRandom VariablesStatisticsView →
- Exactly one clears two-thirdsEasyProbabilityRandom VariablesView →
- Expected distance of a dart from centerEasyProbabilityRandom VariablesView →
- First success on an even trialEasyRandom VariablesExpected ValueView →
- Interquartile range of an exponentialEasyRandom VariablesStatisticsView →
- Largest possible covarianceEasyRandom VariablesStatisticsView →
- Matching a uniform and an exponentialEasyRandom VariablesStatisticsView →
- Maximum of four uniforms in a bandEasyProbabilityRandom VariablesView →
- No heads in a random number of flipsEasyProbabilityRandom VariablesView →
- Normalizing a tilted densityEasyRandom VariablesCalculusView →
- Pairs who swap hatsEasyRandom VariablesExpected ValueView →
- Pooling two independent estimatesEasyRandom VariablesStatisticsView →
- Regressing with zero covarianceEasyRandom VariablesStatisticsView →
- Second moment from varianceEasyRandom VariablesStatisticsView →
- Six heads from a random biased coinEasyConditional Probability & ExpectationRandom VariablesView →
- Skewness of a Laplace variableEasyRandom VariablesStatisticsView →
- Spread of a coin-flip payoffEasyRandom VariablesStatisticsView →
- Spread of a two-card sumEasyRandom VariablesStatisticsView →
- Squared payout on even facesEasyRandom VariablesExpected ValueView →
- Standard deviation of a correlated sumEasyRandom VariablesStatisticsView →
- Two searches, neither hitsEasyRandom VariablesView →
- Variance of a reciprocal uniformEasyRandom VariablesStatisticsView →
- Variance of a union indicatorEasyRandom VariablesStatisticsView →
- Variance of a weighted dice combinationEasyRandom VariablesStatisticsView →
- Variance of an asymmetric random walkEasyRandom VariablesStochastic ProcessesView →
- Where the maximum landsEasyRandom VariablesStatisticsView →
- Whether either bus comes soonEasyProbabilityRandom VariablesView →
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