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28 October, 06:41

A trick coin is made such that when it is tossed there is a 20% chance of heads landing face up and an 80% chance of tails landing face up. If the coin is tossed twice, what is the probability that the coin will land with heads facing up both times?

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  1. 28 October, 08:10
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    P (heads on one toss) = 0.20

    P (2 heads) = 0.20 * 0.20 = 0.04 or 4%
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