Biased Coin? D.E. Shaw Statistics Interview Question

Biased Coin?

D.E. Shaw Statistics Interview Question

A coin was flipped 1000 times, and 550 times it showed heads. Do you think the coin is biased? Why or why not?

This is the same question as problem #15 in the Statistics chapter of Ace the Data Science Interview!

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D.E. Shaw

Difficulty

Medium

    Type your answer here....
    
    You can also write LaTex math formulas by using the $ symbol.
    
    $P(A|B) = \sigma + z \sqrt{\frac{p(1-p)}{n}} $
    

    Type your answer here....

    You can also write LaTex math formulas by using the $ symbol.

    P(AB)=σ+zp(1p)nP(A|B) = \sigma + z \sqrt{\frac{p(1-p)}{n}}