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MMLU-Pro / 8404 / Let X_1, X_2 , X_3 be independent random variables taking values in the positive…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

Let X_1, X_2 , X_3 be independent random variables taking values in the positive integers and having mass functions given by P(X_i=x)=(1-p_i)*p_i^{x-1} for x=1,2,... and i=1,2,3. Suppose p_1=1/2,p_2=1/4,p_3=1/8, what is the probability of X_1<X_2<X_3 (i.e. P(X_1<X_2<X_3))?

category

math

options

  1. 0.00307219662
  2. 0.00183609831
  3. 0.00200009831
  4. 0.00153609831
  5. 0.00153619831
  6. 0.00053609831
  7. 0.00123609831
  8. 0.00173619831
  9. 0.00076804916
  10. 0.00253609831

src

theoremQA-Math

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