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When two coins are tossed at the same time, what is the theoretical probability of an outcome of one head and one tail?1/21/33/41/4

User Pangyuteng
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To find the proability we need to remember the product rule of proabbility that states that:


P(A\cap B)=P(A)P(B)

in this case event A is "getting head" and event B is "getting tail"; we know that each of this events have a proability of 1/2, then:


P(A\cap B)=(1)/(2)\cdot(1)/(2)=(1)/(4)

Therefore the probability we are looking for is 1/4.

User Michal Karbownik
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