3. Suppose there are n audiences for a show, say X1₁,..., Xn. Each audience gets a switch which can be turned on or off. The switches are wired to m challenges of the form X₂ V XjV¬Xk (3-CNF, that is or of the variables / the negation of exactly 3 variables). Leaving Blank would result in 20% for each part. (a) Suppose all audiences turn their respective switch on/off independently at random. Calculate the expected number of challenges being satisfied. (b) Suppose m → ∞. Show that with (1)-probability, a random configu- ration of switches satisfy at least 75% of the challenges.
3. Suppose there are n audiences for a show, say X1₁,..., Xn. Each audience gets a switch which can be turned on or off. The switches are wired to m challenges of the form X₂ V XjV¬Xk (3-CNF, that is or of the variables / the negation of exactly 3 variables). Leaving Blank would result in 20% for each part. (a) Suppose all audiences turn their respective switch on/off independently at random. Calculate the expected number of challenges being satisfied. (b) Suppose m → ∞. Show that with (1)-probability, a random configu- ration of switches satisfy at least 75% of the challenges.
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.CT: Chapter Test
Problem 5CT: A commuter must travel from Ajax to Barrie and back every day. Four roads join the two cities. The...
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ideas from gpt, but please do not believe its answer.Very very grateful!
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