1. 100 students, make survey cheat/not cheat, student toss a coin, if head, tell truth, if tail, toss again, if Head then yes, if tail then no. 30 students answer yes, Q: how many student cheated? 2. Given an array, use bootstrap method to get the var of mean (I used R). 3. Can you write 2 in one line within function? ( so use apply() )
Video interview: 1) why this division 2) tell me about a recent news 3) effect of the fed hike on the bond market 4) additional comments
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66 handshakes occur at a party how many people at a party if everyone shakes hands with everyone else.
You have two eggs and are trying to find the highest floor you can drop an egg from and have the egg survive. At the same time you want to minimize the drops. what is the strategy?
You call the home of a family w/ two children and a kid "billy" answers the phone. What is the probability that both children are boys? What is a virtual constructor in C++?
f(n) is a function counting all the ones that show up in 1, 2, 3, ..., n. so f(1)=1, f(10)=2, f(11)=4 etc. When is the first time f(n)=n.
What would you do if someone asked you to do something that you knew was wrong?
Which number is bigger: 5/6, 3/4, 4/7, 4/9, or 9/11
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