Probability of Coins

Problem
A coin is so unbalanced that you are likely to get two heads in two successive throws as you are to get tails in one. What is the probability of getting heads in a single throw?

A. 0.168	C. 0.681
B. 0.618	D. 0.816

Read more about A coin is so unbalanced that you are likely to get two heads in two successive throws as you are to get tails in one
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When you toss a coin, the outcome can either be head or tail. If the coin is so balanced that these two outcomes are equally likely to occur, then the probability that the outcome is head is 1/2, and the probability that the outcome is tail is also 1/2.

Example
A coin is tossed three times. What is the probability that the head will appear only once?

Read more about Probability Problems Involving Coins
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