9) Beatrice has two coins. The first coin is fair and the second coin is biased. Thebiased coin comes up heads with probability 2/3 and tails with probability 1/3. Beatriceselects one of the two coins at random and flips the selected coin 4 times. The result isHHTH. What is the probability that the fair coin was selected?a.(8/81)(1/2)(8/81)(1/2)+(1/16)(1/2)b.(1/16)(8/81)+(1/16)(8/81)(1/2)C.(2/81)(1/2)+(1/16)(1/2)d.(1/16)(2/81)+(1/16)

Given that Beatrice has two coins. The first coin is fair and the second coin is biased. Thebiased…

Answered: HHTH. What is the probability that the…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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HHTH. What is the probability that the fair coin was selected? (8/81)(1/2)