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Here is the sample space for three tosses of a coin.
{HHH, HHT, HTH, HTT, THH, THT, TTH, THT}
Calculate the probability that this compound event will yield a result of 2 heads and 1 tail (in any order)
A. 0.125
B. 0.25
C. 0.333
D. 0.375

Respuesta :

LammettHash
Assuming the coin is fair, the probability of the coin toss resulting in H is [tex]p=\dfrac12[/tex]. So the probability of getting two Hs, in any order, is

[tex]\dbinom32p^2(1-p)=\dfrac38=0.375[/tex]
I just finished this test a second ago the answer is 0.125 so it is option A

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