Quick Probability Questions for Interviews
1) If cor(a,b)=0.5 and cor(a,c)=0.0, what is the range for cor(b,c)
2) A deck of pokers. Three choices: A: 26 black, 26 Red; B: 13 black, 13 Red; C: random 26 card from the deck. Take the first two cards, if same color, the win $1, otherwise lose $1. Which deck is best for you if you are playing? Why?
3) What is the probability of a random generator generating 10 consecutive numbers in ascending order (assume it is a perfect random generator)
Solution posted by AH in comments! Solution explained in detail by me. Thanks