hw5.pdf - cs237 - probability in computing - fall 2021 —...

cs237 - probability in computing - fall 2021 — J ohn B yers and A lina E ne
due tuesday october 12 , 2021 at 10pm via gradescope
H 5 .
• The assignment is due at Gradescope on Tuesday October 12 , 2021 at 10 pm. Submit early and often.
• Read and sign the collaboration and honesty policy . Submit the signed policy to Gradescope before
submitting any work.
• Unless otherwise specified, you can leave your answer in closed form (e.g. 1 - (
120
7
)( 0.1 )
200
).
• Show your work. Answers without justification will be given little credit. Justify each step in your
solutions e.g. by stating that the step follows from an axiom of probability, a definition, algebra, etc.;
for example, your answer could include a line like this:
Pr ( X ∩ Y ∩ Z ) · Pr ( A ∪ B ) = Pr ( X ∩ Y ∩ Z ) · ( Pr ( A ) + Pr ( B )) ( A and B are disjoint)
• The syllabus has some pointers on using LaTeX and Python.