Petra wants to borrow her dad’s car on Saturday, but so does her brother Alec. They decide to play Rock Paper Scissors to settle the dispute. Petra decides to go with Rock. What is the probability that she will win the car on the first trial? Assuming Petra continues with rock, how likely is Petra to win the car if she and Alec play until a winner is declared?

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 50E: Medicine Out of a group of 9 patients treated with a new drug, 4 suffered a relapse. Find the...
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 Petra wants to borrow her dad’s car on Saturday, but so does her brother Alec. They decide to play Rock Paper Scissors to settle the dispute. Petra decides to go with Rock. 

 What is the probability that she will win the car on the first trial?

Assuming Petra continues with rock, how likely is Petra to win the car if she and Alec play until a winner is declared?

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