You have two coins on your pocket. One of them is a fair coin. The other is a biased coin (30% chance of heads when tossed). The coins look and feel the same, and you can no longer tell which is which. Pick one of the two coins out of your pocket and toss it. What is the probability of “heads”?

You have two coins on your pocket. One of them is a fair coin. The other is a biased coin (30% chance of heads when tossed). The coins look and feel the same, and you can no longer tell which is which. Pick one of the two coins out of your pocket and toss it. What is the probability of “heads”?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.8: Probabilities Of Disjoint And Overlapping Events

Problem 2C

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Question

8) You have two coins on your pocket. One of them is a fair coin. The other is a biased coin (30% chance
of heads when tossed). The coins look and feel the same, and you can no longer tell which is which.
Pick one of the two coins out of your pocket and toss it. What is the probability of “heads”?

Expert Solution