Question

what is the probability of getting almost 2 heads and at least 2 heads if we tossed 3 times a coin​

Answer 1

Answer:

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Step-by-step explanation:

When three coins are tossed sample space S =

{HHH, HHT, HTH, HTT, THH, THT, TTH, TTT} . So, n(S) = 8.

The desired event E is to get at least two heads.

We can observe from the sample space that

E = {HHH, HHT, HTH, THH}. So, n(E) =4.

Therefore the probability of getting at least two heads when three coins are simultaneously tossed = n(E)/n(S) = 4/8 =1/2.

Answer 2

Step-by-step explanation:

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